- Laberius, Henricus: 2300, 2302, 2303, 2304.
- Lactantius, Lucius Caecilius Firminianus: 1263, 1502, 1503 , 1594.
- Laelius: 965, 966, 967, 968, 969, 970, 977.
- Laet, Jan de: see Latius, Joannes.
- Laetus, Pomponius: 1178.
- Laezius (Lezeau), Joannes: 1504 .
- La Fontaine, Charles de: see Fontaine, Charles de la.
- La Fontaine, Jean de: 1408.
- Lafrerii, Antonio (publisher in Rome): 2413.
- La Gessée, Jean de: See Jessée, Jean de la.
- Lagnerius, Petrus: 983, 985, 986, 987, 988.
- Laguna, Andres de: 979, 1505 .
- La Jessée, Jean de: See Jessée, Jean de la.
- Lalaing, Antonius a (comes Hooghstratanus = count of Hoogstraten): 1609.
- Lalaing, Philip de: 1905, 1906.
- Lambinus (Lambin), Dionysius (Denis): 854, 943, 947, 954, 963, 965, 1378, 1379, 1589, 2168, 2265, 2453.
- Lambrechts, Joos (publisher in Ghent): 712.
- Lamola, Joannes: 1161.
- Lampsonius, Dominicus: 2053.
- Lamy, Jean: 1172.
- Lanaeus, Cl. V.L.: 1109.
- Lancelottus, Joannes Paulus: 1032, 1033.
- Lang. Hyp., las.: 1188.
- Langelier (L'Angelier), Arnould (Arnout) (publisher in Paris): 842, 1037, 1220, 1274, 1374, 1375, 1505, 1517, 1576, 1665, 1668, 1669, 1704, 2151, 2200, 2442.
- Langelier (L'Angelier), widow of Arnould (publisher in Paris): 33, 53, 735, 979, 1176, 1274, 1375, 1966, 2449.
- Langelier (L'Angelier), Charles (publisher in Paris): 2467.
- Langhe (Lange), I. De (Langen, I. van) (clerk in the Privy Council, Brussels): 64, 65, 66, 576, 577, 578, 588, 589, 590, 591, 709, 716, 717, 805, 808, 809, 811, 812, 813, 814, 816, 818, 819, 821, 822, 823, 824, 827, 828, 831, 832, 833, 834, 835, 849, 905, 906, 907, 908, 1018, 1019, 1077, 1078, 1097, 1098, 1155, 1156, 1157, 1158, 1232, 1246, 1252, 1254, 1257, 1264, 1289, 1291, 1292, 1320, 1323, 1324, 1328, 1373, 1512, 1516, 1519, 1526, 1527, 1528, 1611, 1658, 1660, 1675, 1677, 1678, 1681, 1682, 1685, 1688, 1690, 1695, 1696, 1697, 1699, 1700, 1701, 1702, 1789, 1804, 1863, 1864, 1961, 2053, 2091, 2188, 2196, 2202, 2209, 2258, 2259, 2260, 2274, 2312, 2413, 2415, 2443, 2453.
- Langius (Langhius; de Langhe), Carolus: 1084, 1254, 1535, 1846, 2077, 2266, 2335, 2337.
- Lannoy, Phle. de: 939A.
- Lanspergius, J.: 1137.
- Lantmetere, Philippe: 1829.
- Lanzus (marchio): 1239.
- Lapidanus, Georgius: 698.
- Lascaris, Janus: 2419.
- Las Casas, Bartholome de: See Casas, Bartholome de las.
- Lassus, Orlando de: 1306.
- Latinius, Latinus: 2193.
- Latius (de Laet), Joannes (Jan, Jean) (publisher in Antwerp): 41, 804, 983, 1074, 1517, 1807, 1831, 1951, 1952.
- Latius, widow of Joannes (publisher in Antwerp): 1074.
- La Tombe, Pierre de: see Tombe, Pierre de la.
- Latomus (Masson), Jacobus: 996, 1506, 1507, 1508, 1509, 1510 .
- Latomus, Joannes: 1277, 1278, 1280, 1335.
- Latre, A. de: 598.
- Launay, Loys de: 1266.
- Lauredanus, Bernardus: 963.
- Laurencinus, Franciscus: 1842.
- Laurent, Jehan (publisher in Tournai): 58, 1754.
- Laurentius: 2308.
- Laurimannus, Cornelius: 1109.
- Laurinus, Guido: 1253, 2117, 2166.
- Laurinus, Marcus: 1144, 1253, 2168, 2206.
- Lautret, J. (publisher in Lyons): 2097.
- Lava, Franciscus: 1302.
- Lazcano: 2162.
- Lazius, Wolfgangus: 2168, 2175, 2266.
- Le Bauldier, Dominicus: See Baudius, Dominicus.
- L'Ecluse (L'Escluse), Carolus de: See Clusius, Carolus.
- Le Comte: see Comte, Le.
- Ledesmius (Ledehmus), Martinus: 2420, 2421.
- Leefdalius, Philippus: 1286.
- Leernout, Janus: See Lernutius, Janus.
- Leest, Antoon van (woodcutter): 725, 818, 823, 824, 832, 833, 834, 835, 853, 912, 917, 1007, 1023, 1238, 1242, 1243, 1408, 1409, 1410, 1411, 1412, 1578, 1592, 1593, 1676, 1678, 1680, 1681, 1682, 1685, 1688, 1690, 1695, 1696, 1697, 1699, 1700, 1701, 1770, 1804, 2053, 2100.
- Leeu, Gerard (publisher in Gouda): 2138.
- Leeuw, Albert de: See Leoninus, Elbertus.
- Leeuwius (van Leeuwen), Dirk: 1543.
- Lefèvre, Andreas: See Fabricius, Andreas.
- Le Fèvre de la Boderie (Fabricius Boderianus), Guido (Guy): 644 (I, V, VI 4, VII 1, VIII 18, Notes), 645, 667, 1120, 1512 , 2207.
- Le Fèvre de la Boderie (Fabricius Boderianus), Nicolaus (Nicolas): 644 (VII 1, Notes), 645, 1512.
- Le Fort, Françoys: see Fort, Françoys Le.
- Le Gouverneur, Joannes: see Gubernator, Joannes.
- Leicester (count of): 1658.
- Leinatius, Stephanus: 56, 615.
- Lejeune, Claudin: See Jeune, Claude Le.
- Le Jeune, Martin: see Jeune, Martin le.
- Le Maçon, Antoine: see Maçon, Antoine le.
- Le Maignier, Rob.: see Maignier, Rob. Le.
- Le Manguier, Robert: see Manguier, Robert le.
- Le Massy, Arnould: see Massy, Arnould Le.
- Le Merchier, Balthasar: see Merchier, Balthasar le.
- Le Mesureur, Pierre: see Mesureur, Pierre le.
- Lemmens: 1518.
- Lemnius, Guilielmus: 1513.
- Lemnius (Lemse), Livinus: 1513, 1514, 1515 , 2187.
- Lemoyne, Jehan: 2183.
- Lenaerts van der Eycken, Joannes: See Hasselius, Joannes.
- L'Enfant, Laurent: see Enfant, Laurent L'.
- Lengastre, Charles de: 939A.
- Lens (Lensaeus), Arnoldus de: 1516 .
- Lens, Phil. de (clerk in the Council of Brabant, Brussels): 1, 2, 33, 34, 35, 36, 38, 39, 47, 54, 679, 681, 682, 683, 684, 712, 713, 714, 1175, 1179, 1573, 1581, 1669, 1811, 1812, 1960, 2084, 2085, 2086, 2087, 2088, 2089, 2090, 2225, 2307, 2308, 2309, 2311; Add. 2.
- Lensaeus, Joannes: 1509.
- Lentallerius, Joannes: 1018, 1019.
- Lentius, Joannes: 2402.
- Leo (pope): 1959, 2100.
- Leo X (pope): 603, 1517, 2436.
- Leo (Byzantine emperor): 1035.
- Leo Thuscus: 1573.
- Leo, Bernardinus: 992.
- Leo, Joannes (publisher in Sevilla): 2342.
- Leocadia (saint): 1945; Add. 1945.
- Leonaeus: 976.
- Leon, Christoval de: 2162.
- Leon l'Africain, Jean (Joannes Leo) (with his real name: Alhasan ben Mohammed Alvazas Alfasi): 53, 1517 .
- Leonardi van der Eycken, Joannes: See Hasselius, Joannes.
- Leonardi, Leonardo (secretary to cardinal Caraffa): 1264.
- Leonicus, Nicolaus: 1843.
- Leoninus, Conra[r]dus: 1518.
- Leoninus (De Leeuw), Elbertus (Albert): 1518 , 1907, 1908, 2216.
- Leopardus (Liebaert), Paulus: 1519 .
- Leovitius, Cyprianus: 1307.
- Leptines: 1073.
- Lerma (comes): 1239.
- Lernutius (Leernout), Janus: 1111, 1112, 1520 , 1535, 1553, 1561, 1562, 1565, 1836, 2279.
- Le Roy, A.: see Roy, A. Le.
- Lestraeus, Franciscus: 2262.
- Leunclavius, Joannes: 726.
- Leundensis, Guido: 1657.
- Leupa, Joannes: 11.
- Levita, Joannes Isaac: See Isaac Levita, Joannes.
- Lewis the Pious (Ludovicus, Blodovicus): 927, 1473.
- Lewis of Beja: 59.
- Lewis: see also Louis.
- Lezeau, Joannes: See Laezius, Joannes.
- L'Huillier, P.: see Huillier, P. L'.
- Lhuyd, Humfredus: 1817, 1818, 1819, 1820.
- Libanios: 1068, 1069, 1073.
- Libbus, Petrus: 1284.
- Licentius of Tagaste: 1591.
- Licinus (Licinius), A.: 963, 1504.
- Liebaert, Paulus: See Leopardus, Paulus.
- Liébault (Liébaut), Jean: 1139, 1140, 1141.
- Liefrink, Jan: 1277.
- Liefrinck, Mijnken (intaglio-printer in Antwerp): 589, 1045, 1048, 1277, 1365, 1367, 1588, 1961, 2175.
- Liesveldt: 712.
- Lignamineus, Desiderius: 850.
- Lignes, de (toparchus = lord): 1284.
- Ligorius, Petrus: 2168.
- Linacrus (Linacer, Linacre), Thomas: 1521 , 2375.
- Lindana, Sophia: 1528.
- Lindanus, Joannes: 1414, 1415, 2313, 2314.
- Lindanus, Theodorus (printer in Antwerp): 1238. See also Linden and Lyndanus.
- Lindanus (vander Linden), Wilhelmus (Guilielmus) Damasi (Damas-z[oon]): 626, 1018, 1090, 1435, 1436, 1438, 1522, 1523, 1524, 1525, 1526, 1527, 1528, 1529 , 1673, 1725, 2115, 2351.
- Linden, Diederik van der (printer in Antwerp): 816. See also Lindanus and Lyndanus.
- Linos: 2080.
- Lipomanius, Aloysius: 1287.
- Lipomanus, Petrus: 603.
- Lipsius (Lips), Justus: 857, 936, 938, 976, 1007, 1008, 1109, 1110, 1111, 1113, 1114, 1219, 1278, 1280, 1405, 1520, 1530, 1531, 1532, 1533, 1534, 1535, 1536, 1537, 1538, 1539, 1540, 1541, 1542, 1543, 1544, 1545, 1546, 1547, 1548, 1549, 1550, 1551, 1552, 1553, 1554, 1555, 1556, 1557, 1558, 1559, 1560, 1561, 1562, 1563, 1564, 1565, 1566 , 1574, 1721, 1723, 2116, 2197, 2199, 2220, 2262, 2276, 2277, 2278, 2279, 2280, 2281, 2307, 2412; Add. 596, 976.
- Lipsius, Martinus: See Lypsius, Martinus.
- Lisona, Albertus de (publisher in Venice): 2082.
- Listhius, Joannes: 1965, 2168.
- Lithocomus (Steenhouwer ? Steinmetz ?), Ludolfus: 1572 .
- Litterinus, Hubertus: 627; Add. 627.
- Livia: 1844, 1847, 1850, 1853, 1856, 1859, 1862.
- Livineius (Livinaeus, Livineus), Joannes: 1265, 1469, 1532, 1673, 2337.
- Livius, Titus: 1554, 1555, 1574, 1575 .
- Loaeus, Joannes: see Loe, Jan van.
- Loaisa, Garcia: see Loyasa-Giron, Garsia de.
- Lobel, Paul de: 1578, 1579.
- Lobelius (de L'Obel, de Lobel), Mathias: 1024, 1101, 1141, 1578, 1579, 1580 .
- Lochorsta, Jacobus de: 605.
- Loe (Loaeus, Loeus), Jan (Jehan) van (publisher in Antwerp): 710, 1095, 1100, 1101, 1135, 2467.
- Loeus, Joannes: 1284.
- Loeus (van der Loe), Henricus: 1273.
- Loeus, Martinus: 1284.
- Lolgius: 2295.
- Lollius: 913.
- Lommius (van Lom), Jodocus: 1581 .
- Londerzeel, Assuerus van: 1592.
- Longis, Jean (publisher in Paris): 54, 55, 730, 1966.
- Lopez, Martin: 2200.
- Lopez de Montaya, Pedro: 2140.
- Lopin, Jacques: 2183.
- Lopius, Hadrianus: 1253.
- Lorch, Melchior (draughtsman): 1690, 1695, 1696, 1700.
- Lorraine: see Guise.
- Lotharingius: see Guise.
- Lotinus, Franciscus: 1232.
- Louis XI (king of France): 1011.
- Louveau, Jean: Add. 4.
- Loyasa-Giron (Loaisa), Garsia (Garcia) de: 1836, 1945.
- Loys (Louys) Tiletanus, Jean (bookseller in Paris): 11.
- L'Oyselier, Pierre: see Oyselier, Pierre L'.
- Lucanus, Marcus Annaeus: 850, 1584, 1585, 1586 . 2164, 2453.
- Lucas: 735.
- Lucas Florentinus: 2345, 2346.
- Lucas, Franciscus: 679, 686, 688, 690, 693, 708, 1587, 1588 , 1699, 1700, 1786, 2314.
- Lucas, Hadrianus: 1055.
- Lucatellus, Bernardinus: 850.
- Luchinus, Vincentius (publisher in Rome): 1162.
- Lucianus: 604, 2335.
- Lucilius: 1547.
- Lucretius Carus, Titus: 854, 1589, 1590, 1591 , 2197, 2343.
- Luctatius Grammaticus: 1845, 1849, 1852, 1855, 1858, 2199.
- Ludolphus Carthusianus (Saxonicus, a Saxonia): 1592, 1593 .
- Ludovicus: see Lewis the Pious.
- Ludovicus Granatensis (Luis de Granada; with his real name: Luis de Sarria): 1594, 1595, 1596, 1597, 1598, 1599, 1600, 1601, 1602, 1603, 1604, 1605, 1606, 1607, 1608 , 2318.
- Luerensis, Simon (publisher in Venice): 603.
- Luisinus, Aloysius: 2269.
- Luisinus, F.: 1135.
- Lumnius (van Lummen), Joannes Fredericus: 1609, 1610, 1611, 1612, 1613 .
- Luna (count of): 1184.
- Lupatus, Bartholomeus: 850.
- Lupus, Joannes: 2340.
- Luther (Lutherus), Martin: 897, 1182, 1403, 1509, 2307.
- Lutius, Horatius: 905, 906, 907, 908.
- Lutz, Tobias (bookseller in Augsburg): 1760.
- Luycx, W. (clerk): 1413.
- Luytenius (Luytens), Henricus: 1614, 1615, 1616 .
- Luytonius (Luyton), Claudius: 2139.
- Lykerchus, Guilielmus: 1253.
- Lyndanus, Theodorus (printer in Antwerp): 1031, 2313. See also Lindanus and Linden.
- Lypsius (Lipsius), Martinus: 604, 1054, 1055.
- Lyskirchen, Constantin von: 1456.