- Sabaeus, Faustus: 596.
- Sabbio, Vincenzo (publisher in Brescia): 611.
- Sabellicus, Antonius: 2335.
- Sabellus, Jacobus (cardinal): 1235.
- Sabinus, Aulus: 1844.
- Sabinus, Georgius: 2301, 2304.
- Saccus, Joannes Baptista: 2162 .
- Sacherius, Fredericus: 1126.
- Sadeler (Sadeleer, Sayler), H. (engraver): 1702.
- Sadeler (Sadeleer, Saedeler), Jan (Johannes) [de] (engraver): 588, 590, 690, 1333, 1335, 1699, 1700, 1776.
- Sadeler, Raphael (engraver): 1366.
- Sadoletus (cardinal): 2054.
- Sagante: 939D.
- Sailly, Thomas: 1567.
- Saint-Arragond, Jacobus: see Sanctaragundus, Jacobus.
- Sainctes, Claude (Claudius) de [De]: 644 (I), 1282, 1573, 2163 .
- Sainct Germain, de (clerk in Paris): 1812.
- Saint Gelays, Melin de: 54.
- Salamanca, Antonio (publisher in Rome): 2413.
- Salimbenus, Ascanius: 1235.
- Salm (Salme) (conte de): 939A.
- Salm: Joannes, comes Salmensis: 2261.
- Salm: Julius, comes a Salm (comes Salmensis): 2168, 2419.
- Sallustius, C. Crispus: 850, 922 bis, 963, 967, 992, 1110, 1584, 2164, 2165, 2166, 2167 , 2350.
- Salvator Solanius, Jacobus: 2217.
- Salvianus, Hypolitus (Hyppolitus): 2175, 2340.
- Salviatus (cardinal): 2340.
- Sambucus (Zsamboky), Joannes: 18, 593, 1007, 1066, 1083, 1142, 1143, 1162, 1167, 1262, 1277, 1323, 1377, 1379, 1476, 1478, 1479, 1480, 1481, 1488, 1589, 1632, 1752, 1753, 1965, 2077, 2125, 2139, 2168, 2169, 2170, 2171, 2172, 2173, 2174, 2175, 2263, 2276, 2278, 2279, 2280, 2281, 2427; Add. 593, 1377, 1753.
- Sambukus, Petrus: 2168.
- Sammarcus, Joannes Vincentius: 850.
- Sammarcus (Sanmarcus), Octavianus: 850.
- Samon, archiepiscopus Gazae: 1573.
- Sancta Crusius (Santacrucius), Prosper (cardinal): 1232.
- Sanctaragundus (Saint-Arragond), Jacobus: 1725.
- Sancto Andrea, Joannes a: 1031, 1573.
- Sancto Audomaro, Joannes a (dominus de Morbecque): 1216.
- Sancto Dominico, Antonius de: 1594, 1595, 1596, 1597.
- Sanctius (Sanchez) Brocensis, Franciscus: 2176, 2177, 2178 .
- Sandersonius (Sanderson), Joannes: 2178, 2179, 2180 .
- Sanderus (Sanders, Sander), Nicolaus: 1052, 2181 .
- Sandeus, Felinus: 1161.
- Sando, Odoardi di: 611.
- Sandoval, Alfonsus: 1602, 1603, 1604, 1605.
- San Francisco, Ludovicus a: 646, 1587.
- Sanmarcus, Octavianus: see Sammarcus, Octavianus.
- Santvoort, Catelijne van: 1329.
- Sappho: 917, 2056.
- Saracenus (Sarrazin), Joannes: 918, 919.
- Saralbo (marq. de): 939A.
- Saravia, Adriaan: 1731, 2307.
- Sarmiento, Garcia: 939A.
- Sarrazin, Jean: see Saracenus, Joannes.
- Sarria, Luis de: See Ludovicus Granatensis.
- Sartorius, David (publisher in Ingolstadt): 890.
- Sasbout, Adam a: 2182 .
- Sasbout, Matthias: 727.
- Sasboutius (Sasbotus), Arnoldus: 1286, 1476, 2475.
- Sassenus, Andreas: 1573.
- Sassenus, Servatius (printer and publisher in Louvain): 1333, 1334, 1419, 1427, 1507 (= heirs), 2313, 2361, 2375, 2394, 2402.
- Saugrain, Jean (publisher in Lyons): 1966.
- Saulius, Stephanus: 1377.
- Sauvage, Jean: 1011.
- Sauvagius, Paulus: 1284.
- Savanorela: 2175.
- Savoie: see Savoye.
- Savonne, Pierre: 2183 ; Add. 2183.
- Savoye (Savoie) (duchess of): 1266.
- Savoye (Savoie): Emanuel Philibert, due de Savoye: 33, 38, 39, 939A, 1949, 2143.
- Saxony (Saxonia): August, prince elector of Saxony: 726, 727.
- Saxony (Saxonia): Federicus, dux Saxoniae: 2265.
- Saxony (Saxonia): Georgius, dux Saxoniae: 2265.
- Sayas: see Çayas, Gabriel de.
- Sayler, FL: see Sadeler, FL
- Sbardellatus, Andreas (bishop): 2168.
- Scaliger (Scaligerus), Josephus: 870, 1219, 1559, 1560, 1850, 1853, 1856, 1859, 2453.
- Scaliger (Scaligerus), Julius Caesar: 29, 934, 992, 993, 994, 1159, 1160, 1559, 1560, 1850, 1853, 1856, 1859, 2175, 2453.
- Sceltema, Sixtus a: 1224.
- Sceyfve, Jehan: see Scheyffius, Joannes.
- Scheffer, Hans: 2175.
- Schegkius, Jacobus: 2305.
- Schellinc (Schellinck, Schellincq), I. (censor): 2, 722, 843, 844, 845, 846, 871, 912, 1140, 1265, 1410, 1514, 1515, 1593, 1948, 2118, 2202, 2365, 2366.
- Schenkelius (Schenckels), Dominicus: 2185.
- Schenkelius (Schenckels), Embertus: 2185.
- Schenkelius (Schenckels), Lambertus: 17, 1026, 2184, 2185 , 2428.
- Schenkelius (Schenckels), Rumoldus: 2185.
- Schetz, Baltasar (Balthasar): 53, 1254.
- Schetz, Cunradus: 1254.
- Schetz, Erasmus (Erasme): 106, 1829.
- Schetz (Schetus, Schets), Gaspar (Caspar, Jaspar): 1254, 1277, 1278, 1280, 1812, 1910, 2450, 2454.
- Schetz (Scheta), Isabella: 2464.
- Schetz, Melchior: 1254.
- Scheurla, Christophorus: 1631.
- Scheyffius (Scheyffvius, Sceyfve), Joannes (Jehan): 1554, 1916, 2196. Schiappalaria, Stefano (Stephano) Ambrosio: 1028, 1277, 1278, 1280, 2464.
- Schilders, Richard (publisher in Middelburg): 1635.
- Schindelius, Christianus: 1729.
- Schirletus, G.: 2168.
- Schleswig-Holstein-Gottorp: Adolf, duke of: 2123; Add. 936.
- Scholasticus (Scholiers), Adrianus: 2187 .
- Scholierius, Hieronymus: 1837.
- Schonaeus (Sconaeus; Schoon, de Schoone), Cornelis: 2188, 2189, 2190, 2191 .
- Schoofius (Schoofs), Philippus: 2185, 2210.
- Schoofs, Joannes: 2184.
- Schoon (de Schoone), Cornelius: See Schonaeus, Cornelius.
- Schoonhoven, Philippe van: 1831. See also Sconove.
- Schorus: 1082.
- Schorus, Henricus: 2192 .
- Schottus (Schott), Andreas: 606, 607, 1110, 1673, 1945, 2082, 2083, 2193 , 2279.
- Schottus, Franciscus: 2054.
- Schottus (Schott), Jacobus: 2082, 2083.
- Schoyt, Guillelmus: 2310.
- Schroderus, Bernhardus: 1572.
- Schroegelius, Georgius: 2148, 2194 .
- Schuambach, Joannes Andreas a: 2169.
- Schuermannus (Schuermannius), Gaspar (Jaspar): 1561, 2261, 2419.
- Schuttenius, Cornelius: 1286.
- Schutteput, Adrian van (clerk of the States of Brabant): 794.
- Schwartzenberg (Swertzenberg), Otto-Henry, count of: 1876, 1877, 1878, 1879. See also Suartzembourg.
- Schylander, Cornelius: 2195 .
- Scinzenteller, Ulrich (publisher in Milan): 574.
- Scipio: 964, 965, 966, 967, 968, 969, 970.
- Scipmannus, Jacobus: 1642.
- Scobar, Augustinus de: 2197.
- Sconaeus, Cornelius: See Schonaeus, Cornelius.
- Sconhovius, Antonius: 2295.
- Sconove, Phle. de: 939A. See also Schoonhoven.
- Scorelius, Adrianus: 2196 .
- Scottus, Bernardinus: 1713.
- Scotus, Marianus: 1642.
- Scotus, Petrus: 11, 14.
- Scotus, P.: 625.
- Scribonius: 2117.
- Scringerus (Scrimgerianus): 1034.
- Scriverius, Petrus: 1519.
- Sebastian (Sebastianus) (king of Portugal): 59, 64, 1238, 1625, 2420.
- Secundini: 1837.
- Secundinus: 604.
- Sedigitus, Volcatius: 2282, 2283, 2284, 2285, 2286, 2287, 2288.
- Sedulius: 1610.
- Segardus, Jodocus: 1284.
- Segnius, Fabius: 850.
- Segura, Martinus: 1239.
- Seminara (duq. de): 939A.
- Senarega, Matthaeus: 940, 943, 947.
- Seneca, Lucius Annaeus: 857, 1100, 1534, 1559, 2175, 2197, 2198, 2199, 2200 , 2335, 2367.
- Senensis, Antonius: See Antonius Senensis.
- Senior, Philippus (liber baro in Winneberg et Beihelstein): 593.
- Sens (cardinal de): 2311.
- Sepulveda, Hines de: 926.
- Serapio: 927.
- Serbellon, Fabrice de: 1963.
- Serena: 993.
- Seripandius (Seripando), Hieronymus: 2203 , 2348.
- Serlio, Sebastianus: 1531.
- Sermeghius, Joannes: 2169.
- Serooskercke, Jacobus: 2375.
- Serooskercke, Philibert: 2375.
- Seroskerke: 581, 641, 1255.
- Seroskerke, Philippus de: 2265.
- Serranus (Serrano), Petrus: 2204, 2205 .
- Sertenas (Sertenias), Vincent (publisher in Paris): 54, 730, 1336, 2151.
- Servidius (Servidus), Guido: 1080, 1657.
- Servilius: 1082.
- Servius: 2453.
- Sesse, Francisco de: 616.
- Sevenberg, Cornelius a (bishop of Liège): 2057.
- Severianus, Julius: 1219, 2206 .
- Severinus, Petrus: 1631.
- Severus: 1120, 2207 .
- Severus, Cornelius: 2453.
- Sevin, Michel: 54.
- Sextius, P.: 963.
- Sextus Empiricus: 2208, 2209 .
- Sfortia (comes): 1239.
- Sidneius (Sidnaeus; Sidney), Philippus (Sir Philip): 1553, 1712.
- Sidonius, Antipater: 15.
- Sigonius (Sigone, Sigonio), Carolus: 850, 909, 963; Add. 976.
- Sille, N.D. (clerk in the Privy Council, Brussels): 1261, 1817, 1818, 1819, 1821, 1822, 1886.
- Silva, Phle. de: 939A.
- Silvester, Guilielmus (publisher in Antwerp): 2269.
- Silvius (Sylvius) Antonius: 2210, 2211 .
- Silvius, Dethlevus: 2125, 2126, 2127.
- Silvius (Sylvius), Guilielmus (Gulielmus, Willem) (publisher in Antwerp and Leiden): 54, 612, 613, 629, 724, 997, 1001, 1017, 1082, 1133, 1134, 1178, 1277, 1278, 1328, 1408, 1433, 1507, 1581, 1951, 2117, 2188, 2191, 2270, 2291, 2375, 2394, 2402, 2413, 2441; Add. 997, 1145, 1245, 1408, 1435, 2270.
- Silvius, Guilielmus (widow of): 629.
- Silvius, Henricus: 1236.
- Silvius, Jacobus: 1023, 1024.
- Silvius, Joannes: 918, 1216, 1284, 2299.
- Silvius, Joannes: See Sylvius, Joannes.
- Silvius, Theophilus: See Sylvius, Theophilus.
- Simanca (Simancas), Jacobus: 579, 2212, 2213, 2214, 2215, 2216 .
- Simeon: 722.
- Simeon, Gabriel: See Symeon, Gabriel.
- Simon (Simons) Guillaume: see Symons, Guilielmus.
- Simonides: 917, 1286, 2056, 2080.
- Simplicianus: 604.
- Simplicius: 1122.
- Singkmoser (Syngkhmoser), M. (clerk in Vienna): 849, 1267.
- Siphroni (publisher in Freiburg): 641.
- Sirletus (Sirlet), Guilielmus (Gulielmus) (cardinal): 644 (VIII 16, Notes), 687, 690, 995, 1126, 1235, 1264, 1333, 1468, 1587, 1673, 2217, 2263, 2337, 2338, 2339, 2340, 2411.
- Sittart, J. (process-server in the Council of Brabant): 759.
- Siud: see Sulaca.
- Six, Joannes (bishop of St. Omer): 1587, 1588, 1866.
- Sixtus III (pope): 2217 .
- Sixtus V (pope): 625, 832, 833, 834, 835, 1126, 1606, 1701, 1702, 1804.
- Sleidanus (Sleedan), Joannes (Jan): 1011, 1182.
- Smenga, Petrus: 1642.
- Smet, Bonaventura: See Vulcanius, Bonaventura.
- Smetius, Martinus: 1253.
- Smidts (Smits), Melchior: 1026.
- Smith, André: 2155.
- Smits, Anna (wife of Pieter Heyns): 1328.
- Smits, Balthasar de: 1027.
- Smits, Gerardus (printer in Antwerp): 1499.
- Smits, Guilielmus: 2165.
- Snickius (Snixius), Joannes: 1284, 1302.
- Snoyus Goudanus, Reynerius: 605.
- Soarez, Cyprianus: 2218, 2219 .
- Soarez d'Albergia, Lopez (bookseller in Lisbon): 835, 1833, 1834.
- Socrates: 1122, 2175, 2262.
- Sogonius, Carolus: 2168.
- Solfius, Joannes: 2185.
- Solimanus (Soleiman) (Turcarum imperator): 637, 851, 852.
- Solinus, Caius [C.] Julius: 1065, 2220 .
- Solon (Solo): 1286, 2080, 2201, 2202.
- Sombernon (sr. de): 939A.
- Soncini (publisher in Constantinople): 641.
- Sonnius (van de Velde; a Campo), Franciscus: 67, 581, 582, 588, 589, 590, 591, 644 (VIII 1, VIII 3), 698, 811, 1102, 2214, 2221, 2222, 2223 , 2315, 2316, 2317, 2334.
- Sonnius, Michel (publisher in Paris): 644 (Notes), 690, 832, 992, 1044, 1049, 1594, 1595, 1643, 1700, 1701, 1718, 1719, 1723, 1786, 1819, 1864, 2181, 2279, 2299, 2322, 2326, 2331, 2332, 2441, 2453.
- Sophillus: 1219.
- Sophocles: 1145, 2224 ; Add. 1145, 2224.
- Sosiades: 2202.
- Soteallus (Soteaux), Joannes: 905, 906, 907, 908.
- Soto, Hieronymus de: 1608.
- Spangen, Joannes Guilielmus [de]: 2261, 2419.
- Spangenberghe, Georges van (pressman in the Plantin Press): 588, 1170.
- Spangenus, Cornelius: 2185.
- Spangenus, Philibertus: 2185.
- Speliensus, Franciscus: 1657.
- Spelman (Speelman), Gerard (publisher in Antwerp): 592, 1016, 1517, 1704, 1807.
- Speron, Jules: 53.
- Spieghel, Hendrik Laurensz.: 2347.
- Spierinck, Guilielmus: 2432.
- Spinda, Hector: 939A.
- Spinola, Pier Francesco: 2464.
- Spinosa, Didacus: 872.
- Spitaels (Spitthals), Antoon (proof-reader in the Plantin Press): 604, 644 (Notes).
- Splinterus ab Hargen: 1476.
- Spore, N. (compositor in the Plantin Press): 1920.
- Sporus (Spors), Andreas (Andries) (compositor in the Plantin Press): 622, 623, 1230.
- Sprengerius, Petrus: 1260.
- Spysken, I. (clerk): 980.
- Staden von Homborch, Hans: 2225 .
- Stadius, Hieronymus: 1181.
- Stadius (Staden), Joannes: 1180, 1181, 2120, 2226, 2227 .
- Stampe, Cassandre: 1947.
- Stampe, Casparine: 1947.
- Stanihurstus (Stanyhurst), Richard: 2228, 2229 .
- Stapletonus, Thomas: 1052, 2435.
- Statius, Achilles: 1235, 2168, 2265.
- St. Bertin (abbot of): 2094.
- Steeghen (Stegen, Steghen), Waltherus (Walterus) vander (censor): 19, 582, 583, 607, 726, 736, 865, 867, 1011, 1110, 1235, 1244, 1253, 1276, 1284, 1335, 1460, 1469, 1520, 1540, 1545, 1549, 1612, 1617, 1635, 1723, 1724, 1836, 1946, 1955, 1962, 2054, 2092, 2123, 2125, 2162, 2188, 2222, 2448, 2469.
- Steelsius (Stelsius) (publishing firm in Antwerp): 1747, 1811, 2077, 2449.
- Steelsius, Aegidius (publisher in Antwerp): 1223.
- Steelsius (Stelsius), Joannes (Jan, Jean, Jehan) (publisher in Antwerp): 2, 53, 616, 637, 679, 680, 804, 983, 1001, 1013, 1037, 1082, 1087, 1089, 1133, 1176, 1182, 1220, 1223, 1375, 1376, 1499, 1573, 1581, 1608, 1618, 1665, 1670, 1704, 1754, 1807, 2143, 2151, 2182, 2200, 2311, 2315, 2436, 2465; Add. 2, 1576.
- Steelsius (Stelsius) (widow and/or heirs of Joannes): 615, 616, 1030, 1031, 1951, 1952, 2313.
- Steenhartsius (Stenhartsius; Steenhart), Quintinus (Quentin): 964, 986, 1095, 1589, 1752, 2077, 2310, 2421.
- Steenhouwer, Ludolfus: See Lithocomus, Ludolfus.
- Steenhuus, Gulielmus de: 1284.
- Stegen (Steghen), Waltherus vander: see Steeghen, Waltherus vander.
- Steinberghen, Simon (publisher in Deventer): 739.
- Steinman, J. (publisher in Leipzig): 2125.
- Steinmetz, Ludolfus: See Lithocomus, Ludolfus.
- Stella, Joannes Baptista: 1235.
- Stella, Margarita: 1235.
- Stella, Vincentius: 1235.
- Stelsius: see Steelsius.
- Stenhartsius, Quintinus: see Steenhartsius, Quintinus.
- Stenius, Georgius: 698.
- Stephanus [I] (king of Poland): 989, 2094.
- Stephanus: see Estienne.
- Sterck, Go. (official of the Treasury): 1930, 2037.
- Sterck, Nicholas (pressman in the Plantin Press): 1254.
- Sterlinx, Peeter: 2131.
- Stesichoros (Stesichorus): 917, 2056.
- Stevens, Charles: See Estienne, Charles.
- Stevin, Simon: 2256, 2257, 2258, 2259, 2260 .
- Stewechius (Steweck), Godescalcus: 2261, 2262 , 2419.
- Steyner (publisher in Augsburg): 22.
- Stienneveghe, Jehan van: 939A.
- Stilico: 993.
- Stobaeus, Joannes: 10, 1144, 1145, 2224, 2263 , 2367, 2368, 2369, 2371, 2372, 2373, 2374; Add. 2263.
- Stochius, Nicolaus: 1062, 1572.
- Stockhamerus, Sebastianus: 22, 23, 24, 25.
- Stoer, Paulus: 1606.
- Stopius, Nicolaus: 850, 909.
- Stormius, Henricus: 2264 , 2479.
- St. Pol, Anthoine de: 644 (I).
- Strabo: 2175.
- Stralen (Straelen, Stralius), Anthonis van (Antonius): 1140, 1141, 1245.
- Stralen, Jan (Jehan) van: 1141, 1656, 1829.
- Streel, Joannes: 1406.
- Strella: 1017.
- Streyters: 996.
- Strien, Jan (compositor in the Plantin Press): 1547.
- Stroisner, H. (pressman in the Plantin Press): 590.
- Stroza, Robertus: 1161.
- Strozza, Julius: 2262, 2419.
- Stubinck, baron de: see Preyner, Seyfridus.
- Studler (family): 1255.
- Sturmius, Joannes (publisher in Louvain): 997.
- Sturmius, Joannes: 2121.
- Suardo, Johan Baptista: 939A.
- Suarez de Figueroa, Gomesius (dux): 1254.
- Suartzembourg (conte de): 939A. See also Schwartzenberg.
- Suavius, Leo: see Gohorry, Jacques.
- Sudermannus (Suderman), Henricus: 2202.
- Sudermannus (Suderman), Hermannus (Herman): 1456, 2202.
- Suerius, M.: see Zuerius, M.
- Suetonius Tranquillus, Gaius: 608, 1379, 2123, 2265 , 2335.
- Sufius, Joannes: 1101.
- Suidas (Suida): 1318, 1319, 1323, 1617, 2056, 2080.
- Sulaca (Siud): 621.
- Sulin, Prospre de: 939A.
- Sulla, P.: 963.
- Sulmona (pere de): 939A.
- Sulpicia: 608.
- Sulpicius Apollinaris, C.: 2289.
- Sulpicius, Severus: 2266 .
- Sulpicius, Joannes: 1584, 1585, 1586.
- Surc, Jaspar van: 1829. See also Zurchius, Gaspar.
- Surhonius (Surhon), Joannes: 2267 .
- Surius, Laurentius: 1137, 1287, 1707.
- Susato (publishing firm in Antwerp): 1467.
- Susius, Cornelius: 1476, 1725.
- Susius, Jacobus: 1476, 1493, 1725, 1752, 2261, 2262, 2265.
- Sweertius, Jacobus: 1175.
- Sylvius (physician): 2175.
- Sylvius, Antonius: See Silvius, Antonius.
- Sylvius, Conrardus: 644 (I, VII 1), 645.
- Sylvius, G.: 2268 .
- Sylvius, Guilielmus: See Silvius, Guilielmus.
- Sylvius (Silvius; Dubois), Joannes: 2269, 2270, 2271, 2272, 2273 ; Add. 1245, 2270.
- Sylvius (Silvius; Dubois), Joannes: 2274 .
- Sylvius (Silvius), Theophilus: 2123.
- Symeon (Simeon, Simeoni), Gabriel: 53, 1949, 1950, 1951, 1952, 1953, 1954 .
- Symmachus: 1250.
- Symon Symon: 735.
- Symons (Symon; Simons, Simon), Guilielmus (Guillaume) (publisher in Antwerp): 33, 637, 1513, 1514, 1634, 1704, 1807, 2200, 2465.
- Syngkhmoser, M.: see Singkmoser, M.