| Country | Origin | Age | Genre(s) | Manuscript / Title | Usuarium ID | Content
Index (overview of ceremonies) |
|---|---|---|---|---|---|---|
| Spain | La Seu D'Urgell | 1548 | Ritual | Ordinarium Urgellense | 589 | |
| France | Lagnieu | 1500-1600 | Processional | BNF Paris Lat. 01336 | 317 | |
| France | Langres | 1200-1250 | Pontifical | BM Troyes Ms. 2140 | 1018 | |
| France | Langres | 1200-1500 | Missal | BM Reims Ms. 234 | 2591 | |
| France | Langres | 1520 | Missal | Missale Lingonense | 318 | |
| France | Langres | 1524 | Ritual | Manuale Lingonense | 319 | |
| France | Laon | 0800-0900 | Gradual | BM Laon Ms. 239 | 2406 | |
| France | Laon | 1100-1300 | Ordinal | BM Laon Ms. 121 | 322 | |
| France | Laon | 1200-1250 | Pontifical | BM Laon Ms. 224 | 948 | |
| France | Laon | 1491 | Missal | Missale Laudunense | 320 | |
| France | Laon | 1538 | Ritual | Manuale Laudunense | 321 | |
| Switzerland | Lausanne | 1493 | Missal | Missale Lausannense | 17 | |
| Switzerland | Lausanne | 1508-1510 | Ritual | Manuale Lausannense | 323 | |
| France | Le Mans | 0850-0900 | Sacramentary | BM Le Mans Ms. 077 | 2417 | |
| France | Le Mans | 1200-1225 | Missal | BM Le Mans Ms. 437 | 325 | |
| France | Le Mans | 1200-1250 | Pontifical | BM Le Mans Ms. 141 | 1001 | |
| France | Le Mans | 1400-1500 | Pontifical | BM Le Mans Ms. 132 | 1000 | |
| France | Le Mans | 1482 (about) | Missal | Missale Cenomanense | 324 | |
| France | Le Mans | 1482 (about) | Missal | Missale Cenomanense | 326 | |
| France | Le Mans | 1511 | Ritual | Manuale Cenomanense | 327 | |
| France | Le Mans (OSB) | 1525-1551 | Pontifical | BNF Paris Lat. 16319 | 3280 | |
| France | Le Puy-en-Velay | 1527 | Missal... | Missale-sacramentarium Aniciense | 328 | |
| France | Le Puy-en-Velay | 1543 | Missal | Missale Aniciense | 10 | |
| Germany | Lebus | 1484-1491 (about) | Missal | Missale Lubucense | 101 | |
| Poland | Lidzbark Warmiński | 1497 | Missal | Missale Warmiense | 102 | |
| Poland | Lidzbark Warmiński | 1574 | Ritual | Agenda Warmiensis | 344 | |
| Belgium | Liège | 1078 | Evangeliary | Főszékesegyh. Esztergom Ms. III. 180. | 329 | |
| Belgium | Liège | 1402-1403 | Treatise | BR Bruxelles (1996-2000) 377 | 1061 | |
| Belgium | Liège | 1495 | Missal | Missale Leodiense | 115 | |
| Belgium | Liège | 1499 | Missal | Missale Leodiense | 1 | |
| Belgium | Liège | 1502 | Missal | Missale Leodiense | 116 | |
| Germany | Liesborn | 1100-1200 | Treatise | StaBi Berlin Theol. lat. 2° 368 (olim 702) | 1081 | |
| France | Limoges | 1000-1100 | Prosary... | BNF Paris Lat. 01120 | 334 | |
| France | Limoges | 1000-1100 | Prosary... | BNF Paris Lat. 01121 | 335 | |
| France | Limoges | 1100-1200 | Sacramentary | BNF Paris Lat. 09438 | 330 | |
| France | Limoges | 1100-1200 | Prosary... | BNF Paris Lat. 01086 | 333 | |
| France | Limoges | 1301-1400 | Pontifical | BM Toulouse Ms. 120 | 1012 | |
| France | Limoges | 1483 | Missal | Missale Lemovicense | 331 | |
| France | Limoges | 1518 | Ritual | Manuale Lemovicense | 1197 | |
| France | Limoges | 1537 | Missal | Missale Lemovicense | 332 | |
| France | Limoges | 1596 | Ritual | Enchiridion Romano-Gallicum | 762 | |
| France | Limoges (OSB) | 0900-1100 | Tropary | BNF Paris Lat. 00909 | 6507 | |
| France | Limoges (OSB) | 1000-1050 | Sacramentary | BNF Paris Lat. 00821 | 3083 | |
| France | Limoges (OSB) | 1000-1020 | Sacramentary | BNF Paris Lat. 00822 | 3084 | |
| Sweden | Linköping | 1300-1400 | Missal | Nat. Libr. Helsinki Ms. C.ö.IV.7 | 4502 | |
| Sweden | Linköping | 1400-1500 | Missal | KB Stockholm A 97 | 336 | |
| Sweden | Linköping | 1400 (about) | Ordinal | Riksark. Stockholm Avd. I, nr 2 | 337 | |
| Sweden | Linköping | 1400-1500 | Missal | Nat. Libr. Helsinki Ms. C.ö.IV.9 | 4503 | |
| Sweden | Linköping | 1525 | Ritual | Manuale Lincopense | 338 | |
| Portugal | Lisboa | 1607 | Processional | Processionale Olysiponense | 339 | |
| France | Lisieux | 1250-1350 | Pontifical | BNF Paris NAL 3183 | 341 | |
| France | Lisieux | 1300-1400 | Pontifical | BM Toulouse Ms. 119 | 1010 | |
| France | Lisieux | 1504 | Missal | Missale Lexoviense | 340 | |
| France | Lisieux | 1523 | Ritual | Manuale Lexoviense | 342 | |
| Czechia | Litomyšl | 1376 | Pontifical | OPraem Praha DG I 19 | 343 | |
| United Kingdom | Llanthony | 1100-1300 | Treatise | Lambeth Palace London Ms. 363 | 1105 | |
| United Kingdom | Llanthony | 1200-1300 | Treatise | Lambeth Palace London Ms. 458 | 1106 | |
| Spain | Lleida | 1479 | Breviary | Breviarium Illerdense | 345 | |
| Spain | Lleida | 1524 | Missal | Missale Illerdense | 50 | |
| Spain | Lleida | 1532 | Ritual | Ordinarium Illerdense | 346 | |
| France | Lodève | 1324-1331 | Pontifical | BM Toulouse Ms. 118 | 1009 | |
| Italy | Lodi | 1200-1300 | Ritual | BNF Paris NAL 1030 | 3314 | |
| United Kingdom | London | 1400 (about) | Pontifical | BL London Lansdowne Ms. 451 | 933 | |
| France | Lorraine | 1100-1200 | Treatise | BM Sélestat Ms. 136 (1181) | 1099 | |
| Ireland | Lorrha | 0792 (after) | Sacramentary | Roy. Irish Acad. Dublin Ms. D II 3 | 1024 | |
| Germany | Lorsch | 0975-1000 | Sacramentary | BAV Pal. lat. 495 | 1518 | |
| Germany | Lorsch | 1000-1100 | Sacramentary | Mus. Condé Chantilly Ms. 40 (1447) | 4463 | |
| Germany | Lübeck | 1200-1300 | Missal | SB Lübeck Ms. theol. lat. 2° 03 | 5553 | |
| Germany | Lübeck | 1486 | Missal | Missale Lubicense | 41 | |
| Germany | Lübeck | 1514 | Missal | Missale Lubicense | 136 | |
| Italy | Lucca | 1100-1200 | Sacramentary | Bibl. Com. Palermo 2 Qq G2 | 1165 | |
| France | Luçon | 1387-1407 | Pontifical | Chapitre Bayeux Ms. 061 | 857 | |
| Sweden | Lund | 1250 (about) | Hymnary... | UB Uppsala C 515 | 348 | |
| Sweden | Lund | 1350-1400 | Missal | SAV Bratislava Rkp. zv. 387 | 1138 | |
| Sweden | Lund | 1450-1500 | Pontifical | UB Uppsala C 441 | 935 | |
| Sweden | Lund | 1514 | Missal | Missale Lundense | 45 | |
| Sweden | Lund | 1517 | Breviary | Breviarium Lundense | 347 | |
| Germany | Lüneburg | 1100-1150 | Pontifical | HAB Wolfenbüttel Cod. Guelf. 0141 Helmst., Heinemann-Nr. 164 | 349 | |
| Germany | Lüneburg | 1200-1300 | Treatise | Ratsbücherei Lüneburg Ms. Theol. 4° 13 | 1082 | |
| France | Luxeuil-les-Bains | 0600-0800 | Mass Lectionary | BNF Paris Lat. 09427 | 963 | |
| France | Lyon | 1000-1100 | Sacramentary | BM Lyon Ms. 0537 (457) | 2467 | |
| France | Lyon | 1200-1210 | Missal | BM Lyon Ms. 5139 | 2471 | |
| France | Lyon | 1285 (after) | Pontifical | BM Carpentras Ms. 96 | 949 | |
| France | Lyon | 1487 | Missal | Missale Lugdunense | 76 | |
| France | Lyon | 1498 | Breviary | Breviarium Lugdunense | 978 | |
| France | Lyon | 1510 | Missal | Missale Lugdunense | 114 | |
| France | Lyon | 1530 | Missal | Missale Lugdunense | 350 | |
| France | Lyon | 1693 | Breviary | Breviarium Lugdunense (pars hiemalis) | 351 | |
| France | Lyon | 1693 | Breviary | Breviarium Lugdunense (pars verna) | 352 | |
| France | Lyon | 1693 | Breviary | Breviarium Lugdunense (pars aestivalis) | 353 | |
| France | Lyon | 1693 | Breviary | Breviarium Lugdunense (pars autumnalis) | 354 | |
| France | Lyon | 1760 | Breviary | Breviarium Lugdunense (pars hiemalis) | 355 |