| Jacobus Caietanus | ORDO ROMANUS XIV, V ORDINARIUM S. R. E (479Kb) |
| Jacobus diaconus / Eustochius interpres | OCTOBRIS VIII. VITA SANCTAE PELAGIAE , (24Kb) |
| Jacobus Hieronymus Parisiensis | 415 HECATOSTICHON APOLOGETICUM D. JACOBI (7Kb) |
| Jaffé, Philippus | NOTITIA DIPLOMATICA IN EPISTOLAS BEATI (5Kb) |
| Jaffé, Philippus | NOTITIA DIPLOMATICA IN EPISTOLAS ET (7Kb) |
| Jaffé, Philippus | NOTITIA DIPLOMATICA IN EPISTOLAS ET (7Kb) |
| Jaffé, Philippus | NOTITIA DIPLOMATICA IN EPISTOLAS ET (6Kb) |
| Jaffé, Philippus | NOTITIA DIPLOMATICA In epistolas et (7Kb) |
| Jaffé, Philippus | NOTITIA DIPLOMATICA IN EPISTOLAS EUGENII (7Kb) |
| Jaffé, Philippus | NOTITIA DIPLOMATICA IN EPISTOLAS GELASII (2Kb) |
| Jaffé, Philippus | NOTITIA DIPLOMATICA (7Kb) |
| Jaffé, Philippus | NOTITIA DIPLOMATICA (14Kb) |
| Jaffé, Philippus | NOTITIA DIPLOMATICA (3Kb) |
| Jaffé, Philippus | NOTITIA DIPLOMATICA (4Kb) |
| Jaffé, Philippus | NOTITIA DIPLOMATICA (2Kb) |
| Jaffé, Philippus | NOTITIA DIPLOMATICA (5Kb) |
| Jaffé, Philippus | NOTITIA DIPLOMATICA (2Kb) |
| Jaffé, Philippus | NOTITIA DIPLOMATICA (5Kb) |
| Jaffé, Philippus | NOTITIA DIPLOMATICA (1Kb) |
| Jaffé, Philippus | NOTITIA DIPLOMATICA (1Kb) |
| Jaffé, Philippus | NOTITIA DIPLOMATICA (4Kb) |
| Jaffé, Philippus | NOTITIA DIPLOMATICA (5Kb) |
| Jaffé, Philippus | NOTITIA DIPLOMATICA (4Kb) |
| Jaffé, Philippus | NOTITIA DIPLOMATICA (2Kb) |
| Jaffé, Philippus | NOTITIA DIPLOMATICA (6Kb) |
| Jaffé, Philippus | NOTITIA DIPLOMATICA (4Kb) |
| Jaffé, Philippus | NOTITIA DIPLOMATICA (4Kb) |
| Jaffé, Philippus | NOTITIA DIPLOMATICA (3Kb) |
| Jaffé, Philippus | NOTITIA DIPLOMATICA (4Kb) |
| Jaffé, Philippus | NOTITIA DIPLOMATICA (1Kb) |
| Jaffé, Philippus | NOTITIA DIPLOMATICA (2Kb) |
| Jansenius, Cornelius | JANSENII IPRENSIS DE PRAEDESTINATORUM (2Kb) |
| Janus, Joannes Guillelmus | NOBILISSIMO DOCTISSIMOQUE VIRO BENJAMIN (20Kb) |
| Janvier, Ambrosius | DE PETRO EJUSQUE SCRIPTIS PRAEFATIO (13Kb) |
| Janvier, Ambrosius | EPISTOLA NUNCUPATORIA ILLUSTRISSIMO (4Kb) |
| Jeremias Senonensis | JEREMIAE EPISTOLAE (3Kb) |
| Jesse Ambianensis | JESSE EPISTOLA DE BAPTISMO (44Kb) |
| Joannes Antonius Flaminius | BEATI PETRI DAMIANI VITA ALIA. PER (36Kb) |
| Joannes Arelatensis | JOANNIS, ARELATENSIS EPISCOPI, EPISTOLA (3Kb) |
| Joannes Belethus | RATIONALE DIVINORUM OFFICIORUM AUCTORE (796Kb) |
| Joannes Bezuensis | JOANNIS MONACHI CHRONICON BESUENSE (442Kb) |
| Joannes Biclarensis | JOANNIS, ABBATIS BICLARENSIS, CHRONICON, (22Kb) |
| Joannes Bramptonus | COGNOMINA EORUM QUI CUM WILLELMO (5Kb) |
| Joannes Canaparius | VITA SANCTI ADALBERTI Auctore forte (106Kb) |
| Joannes Capgravius | APPENDIX MIRACULORUM Ex nova Legenda (6Kb) |
| Joannes Carthusiae Portarum | JOANNIS CARTHUSIAE PORTARUM MONACHI (97Kb) |
| Joannes Cassianus | APPENDIX SECUNDA. FLORES JOANNIS (32Kb) |
| Joannes Cassianus | JOANNIS CASSIANI ABBATIS MASSILIENSIS DE (492Kb) |
| Joannes Cassianus | JOANNIS CASSIANI ABBATIS MASSILIENSIS (1778Kb) |
| Joannes Cassianus | JOANNIS CASSIANI MASSILIENSIS PRESBYTERI (385Kb) |
| Joannes Chrysostomus | INTERPRETATIO HOMILIARUM SANCTI (1Kb) |
| Joannes Chrysostomus | INTERPRETATIO XXVI HOMILIARUM SANCTI (2Kb) |
| Joannes Chrysostomus | LIBRI AD VERSUS EPISTOLAM SANCTI (1Kb) |
| Joannes Chrysostomus | SERMONIS SANCTI CHRYSOSTOMI AD NEOPHYTOS (1Kb) |
| Joannes Cirita | REGULA ORDINIS MILITARIS AVISII A. B (7Kb) |
| Joannes Constantiensis | EPISTOLA Ad Gaufridum abbatem Richardum (4Kb) |
| Joannes Cornubiensis | EJUSDEM EULOGIUM AD ALEXANDRUM III PAPAM (135Kb) |
| Joannes Cornubiensis | JOANNIS CORNUBIENSIS APOLOGIA. DE VERBO (1Kb) |
| Joannes Cornubiensis | JOANNIS CORNUBIENSIS LIBELLUS DE CANONE (1Kb) |
| Joannes Cotto | CIRCA FINEM SAECULI (197Kb) |
| Joannes Damascenus / Billius, Jacobus | NOVEMRRIS XXVII. VITA SANCTORUM BARLAAM (514Kb) |
| Joannes de Belmeis | JOANNIS DE BELMEIS ARCHIEP. LUGDUN (11Kb) |
| Joannes de Deo | EXCERPTA EX POENITENTIALI MAGISTRI (73Kb) |
| Joannes de Garlandia | FRAGMENTUM EX LIBRO DE AEQUIVOCIS (1Kb) |
| Joannes de Garlandia | FRAGMENTUM EX LIBRO DE MYSTERIIS (2Kb) |
| Joannes de Garlandia | FRAGMENTUM LIBRI DE ORTHOGRAPHIA (1Kb) |
| Joannes de Garlandia | OPUS SYNONYMORUM (40Kb) |
| Joannes diaconus Romanus | JOANNIS DIACONI LIBER DE ECCLESIA (50Kb) |
| Joannes diaconus | II. JOANNIS DIACONI LIBER DE ECCLESIA (51Kb) |
| Joannes diaconus | IMAGINES BEATI GREGORII MAGNI EJUSQUE (6Kb) |
| Joannes diaconus | JOANNIS DIACONI EPISTOLA AD SENARIUM (20Kb) |
| Joannes diaconus | JOANNIS DIACONI S. AUDOENI MONACHI (46Kb) |
| Joannes diaconus | NOTITIA HISTORICA ET LITTERARIA (6Kb) |
| Joannes diaconus | SANCTI GREGORII MAGNI VITA, A JOANNE (587Kb) |
| Joannes discipulus Petri Damiani | VITA B. PETRI DAMIANI S. R. E (81Kb) |
| Joannes eremita | VITA QUARTA SANCTI BERNARDI ABBATIS (59Kb) |
| Joannes eremita | VITA S. BERNARDI CLAREVALLENSIS ABBATIS (1Kb) |
| Joannes Fiscamnensis | II. EPISTOLA JOANNIS I ABBATIS (6Kb) |
| Joannes Fiscamnensis | JOANNIS ABBATIS EPISTOLAE (40Kb) |
| Joannes Fiscamnensis | JOANNIS ABBATIS LIBELLUS DE SCRIPTURIS (45Kb) |
| Joannes Fiscamnensis | LIBELLUS ALTER De divina contemplatione (11Kb) |
| Joannes Fiscamnensis | PRAEFATIO JOANNIS HOMINIS DEI In suam de (6Kb) |
| Joannes Gualbertus | S. JOANNIS GUALBERTI EPISTOLA AD FRATRES (1Kb) |
| Joannes Gualbertus | S. JOANNIS GUALBERTI PRECES (31Kb) |
| Joannes Guillemans | ALIA VITA. AUCTORE JOANNE GUILLEMANS (9Kb) |
| Joannes I | EPISTOLAE JOANNIS PAPAE (15Kb) |
| Joannes II | JOANNIS PAPAE II EPISTOLAE (62Kb) |
| Joannes III | EPISTOLA JOANNIS PAPAE III AD (14Kb) |
| Joannes III | EPISTOLA JOANNIS PAPAE III, AD ERALDUM (2Kb) |
| Joannes Italus | JOANNIS ITALI IN LIBRUM SUUM DE (2Kb) |
| Joannes Italus | VITA SANCTI ODONIS ABBATIS CLUNIACENSIS (152Kb) |
| Joannes Italus | VITA SANCTI ODONIS ABBATIS CLUNIACENSIS (1Kb) |
| Joannes IV | JOANNIS PAPAE IV, ROMANI PONTIFICIS (22Kb) |
| Joannes IX | JOANNIS PAPAE IX CANON DE ELECTIONE (2Kb) |
| Joannes IX | JOANNIS PAPAE IX EPISTOLAE (31Kb) |
| Joannes IX | JOANNIS PAPAE IX PRAELOCUTIO IN CONCILIO (2Kb) |
| Joannes Marsicanus | JOANNIS EPISTOLA AD RICHARDUM ALBANENSEM (3Kb) |
| Joannes Marsicanus | JOANNIS MARSICANI TUSCULANI EPISCOPI (2Kb) |
| Joannes Michaelensis | REGULA PAUPERUM COMMILITONUM CHRISTI (49Kb) |
| Joannes monachus | JOANNIS MONACHI EPISTOLA AD ADALBERONEM (12Kb) |
| Joannes Moschus | PRATUM SPIRITUALE (384Kb) |
| Joannes Moschus | Prologus (3Kb) |
| Joannes Rotomagensis | JOANNIS ABRINCENSIS EPISCOPI LIBER DE (117Kb) |
| Joannes Rotomagensis | JOANNIS CHARTA Qua prioratus S. Victoris (5Kb) |
| Joannes S. Arnulfi Metensis | HISTORIA TRANSLATIONIS SANCTAE (63Kb) |
| Joannes S. Arnulfi Metensis | VITA JOANNIS ABBATIS GORZIENSIS, AUCTORE (203Kb) |
| Joannes S. Arnulfi Metensis | VITA SANCTAE GLODESINDIS ABBATISSAE (16Kb) |
| Joannes S. Laurentii Leodiensis | VISIO STATUS ANIMARUM POST MORTEM ET (23Kb) |
| Joannes Sabinensis | QUERIMONIA JOANNIS SABINENSIS EPISCOPI (4Kb) |
| Joannes Saresberiensis / Alanus Tewkesburiensis | SANCTI THOMAE CANTUARIENSIS (118Kb) |
| Joannes Saresberiensis | JOANNIS SARESBERIENSIS CARMEN DE MEMBRIS (12Kb) |
| Joannes Saresberiensis | JOANNIS SARESBERIENSIS DE SEPTEM (56Kb) |
| Joannes Saresberiensis | JOANNIS SARESBERIENSIS ENTHETICUS DE (119Kb) |
| Joannes Saresberiensis | JOANNIS SARESBERIENSIS EPISCOPI (1134Kb) |
| Joannes Saresberiensis | JOANNIS SARESBERIENSIS METALOGICUS (584Kb) |
| Joannes Saresberiensis | JOANNIS SARESBERIENSIS POLYCRATICUS, (1496Kb) |
| Joannes Saresberiensis | VITA SANCTI ANSELMI ARCHIEPISCOPI (96Kb) |
| Joannes Saresberiensis | VITA SANCTI THOMAE CANTUAR. ARCHIEP (1Kb) |
| Joannes Scotus Erigena | II. JOANNIS SCOTI COMMENTARII IN S (3Kb) |
| Joannes Scotus Erigena | JOANNIS SCOTI (5017Kb) |
| Joannes Scotus Erigena | JOANNIS SCOTI COMMENTARIUS IN S (302Kb) |
| Joannes Scotus Erigena | JOANNIS SCOTI de praedestinatione LIBER (480Kb) |
| Joannes Scotus Erigena | JOANNIS SCOTI EXPOSITIONES SEU GLOSSAE (46Kb) |
| Joannes Scotus Erigena | JOANNIS SCOTI EXPOSITIONES SUPER (1805Kb) |
| Joannes Scotus Erigena | JOANNIS SCOTI EXPOSITIONES SUPER (7Kb) |
| Joannes Scotus Erigena | JOANNIS SCOTI HOMILIA IN PROLOGUM S (116Kb) |
| Joannes Scotus Erigena | JOANNIS SCOTI LIBER DE EGRESSU ET (12Kb) |
| Joannes Scotus Erigena | JOANNIS SCOTI VERSIO AMBIGUORUM S (181Kb) |
| Joannes Scotus Erigena | JOANNIS SCOTI VERSIO OPERUM S. DIONYSII (858Kb) |
| Joannes Scotus Erigena | JOANNIS SCOTI VERSUS (2594Kb) |
| Joannes Smera Polovecius | SMERAE POLOVECII EPISTOLA AD WLADIMIRUM (9Kb) |
| Joannes Trithemius | JOANNES TRITEMIUS ABBAS SPANHEIM. In (2Kb) |
| Joannes Trithemius | NOTITIA (2Kb) |
| Joannes Trithemius | VITA D. HAYMONIS AUCTORE JOANNE (4Kb) |
| Joannes Trithemius | VITA D. RUPERTI ABBATIS TUITIENSIS (3Kb) |
| Joannes Trithemius | VITA SMARAGDI AUCTORE TRITHEMIO ABBATE (2Kb) |
| Joannes Venetus | JOANNIS DIACONI CHRONICON VENETUM ET (217Kb) |
| Joannes VII | JOANNIS PAPAE VII EPISTOLA AD EPISCOPOS (2Kb) |
| Joannes VII | JOANNIS PAPAE VII EPISTOLA AD ETHELREDUM (8Kb) |
| Joannes VIII | JOANNIS PAPAE VIII EPISTOLAE ET DECRETA (935Kb) |
| Joannes Wirzburgensis | JOANNIS WIRZBURGENSIS PRESBYTERI (114Kb) |
| Joannes X | JOANNIS PAPAE X EPISTOLAE ET PRIVILEGIA (41Kb) |
| Joannes XI | JOANNIS PAPAE XI EPISTOLAE ET PRIVILEGIA (20Kb) |
| Joannes XII | JOANNIS PAPAE XII EPISTOLAE ET (88Kb) |
| Joannes XIII | JOANNIS XIII PAPAE EPISTOLAE ET DECRETA (140Kb) |
| Joannes XIV | JOANNIS PAPAE XIV EPISTOLA AD ALONEM (6Kb) |
| Joannes XIX | APPENDIX. Joannis papae XIX diploma, (1Kb) |
| Joannes XIX | JOANNIS PAPAE XIX DIPLOMA, Quo (9Kb) |
| Joannes XIX | JOANNIS XIX PAPAE EPISTOLAE ET DIPLOMATA (120Kb) |
| Joannes XV | JOANNIS XV PAPAE EPISTOLAE ET PRIVILEGIA (73Kb) |
| Joannes XVIII | JOANNIS XVIII PAPAE EPISTOLAE ET (45Kb) |
| Jonas Aurelianus | INCIPIT HISTORIA TRANSLATIONIS SANCTI (10Kb) |
| Jonas Aurelianus | JONAE DE CULTU IMAGINUM LIBRI TRES, Quos (346Kb) |
| Jonas Aurelianus | JONAE DE INSTITUTIONE LAICALI LIBRI TRES (493Kb) |
| Jonas Aurelianus | JONAE OPUSCULUM DE INSTITUTIONE REGIA (77Kb) |
| Jonas Bobiensis / Auctor incertus | LIBER MIRACULORUM S. JOANNIS ABBATIS (14Kb) |
| Jonas Bobiensis | VITA S. ATTALAE ABBATIS BOBIENSIS (17Kb) |
| Jonas Bobiensis | VITA S. BERTULFI ABBATIS BOBIENSIS (24Kb) |
| Jonas Bobiensis | VITA S. BURGUNDOFARAE ABBATISSAE (44Kb) |
| Jonas Bobiensis | VITA S. COLUMBANI ABBATIS, AUCTORE JONA (96Kb) |
| Jonas Bobiensis | VITA S. EUSTASII ABBATIS LUXOVIENSIS (25Kb) |
| Jordanus Lemovicensis | JORDANI DIPLOMATA DUO (6Kb) |
| Jordanus Lemovicensis | JORDANI EPISTOLA Ad Benedictum VIII (1Kb) |
| Jordanus Lemoviclensis | JORNANDIS seu JORDANI EPISCOPI (174Kb) |
| Joscelinus Turonensis | JOSCELINI EPISTOLAE (12Kb) |
| Josephus discipulus Alcuini | CARMEN JOSEPHI AD SANCTUM LUDGERUM (1Kb) |
| Josephus discipulus Alcuini | VERSUS JOSEPHI EPITOMAE SUAE (3Kb) |
| Josephus sacerdos | HISTORIA TRANSLATIONIS CORPORUM SS (42Kb) |
| Joslenus Suessionensis | JOSLENI EPISCOPI SUESSIONENSIS EXPOSITIO (54Kb) |
| Joslenus Suessionensis | JOSLENI SUESSIONENSIS CHARTA PRO (8Kb) |
| Jotsaldus | JOTSALDI MONACHI PLANCTUS DE TRANSITU (10Kb) |
| Jotsaldus | VITA S. ODILONIS (133Kb) |
| Judecus, Nicolaus | EPISTOLA PRAEFATORIA (17Kb) |
| Julianus Eclanensis | AD FLORUM ADVERSUS LIBRUM II SANCTI (1Kb) |
| Julianus Eclanensis | AD TURBANTIUM EPISCOPUM, ADVERSUS LIBRUM (1Kb) |
| Julianus Eclanensis | EPISTOLA AD RUFUM (1Kb) |
| Julianus Eclanensis | EPISTOLA AD ZOSIMUM (1Kb) |
| Julianus Eclanensis | LIBELLUS FIDEI, QUEM HULIANO TRIBUIT (1Kb) |
| Julianus Eclanensis | LIBER DE AMORE (1Kb) |
| Julianus Eclanensis | LIBER DE CONSTANTIAE BONO, CONTRA (1Kb) |
| Julianus Eclanensis | RUFINIANI LIBELLI INTERPRETATIO (1Kb) |
| Julianus Pomerius | JULIANI POMERII DE VITA CONTEMPLATIVA (301Kb) |
| Julianus Toletanus | BEATI HILDEFONSI ELOGIUM (4Kb) |
| Julianus Toletanus | HISTORIA REBELLIONIS PAULI (146Kb) |
| Julianus Toletanus | LIBRI II ANTIKEIMENON (377Kb) |
| Julianus Toletanus | ORATIONES A S. JULIANO COMPOSITAE, (3Kb) |
| Julianus Toletanus | SANCTI HILDEFONSI VITA (1Kb) |
| Julianus Toletanus | SANCTI JULIANI EPISCOPI TOLETANI DE (27Kb) |
| Julianus Toletanus | SANCTI JULIANI EPISCOPI TOLETANI DE (145Kb) |
| Julianus Toletanus | SANCTI JULIANI EPISCOPI TOLETANI (167Kb) |
| Julianus Toletanus | SANCTI JULIANI TOLETANI EPISCOPI (228Kb) |
| Julius Firmicus Maternus | JULII FIRMICI MATERNI V. C. DE ERRORE (671Kb) |
| Julius Hilarianus | Q. JULII HILARIANI CHRONOLOGIA SIVE (27Kb) |
| Julius Hilarianus | QUINTI JULII HILARIANI EXPOSITUM DE (35Kb) |
| Julius I | MONUMENTA GENUINA (40579Kb) |
| Junilius Africanus | JUNILII DE PARTIBUS DIVINAE LEGIS LIBRI (100Kb) |
| Juretus, Francius | 125 FR. JURETUS BENEVOLO LECTORI SALUTEM (4Kb) |
| Juretus, Francius | 126 OBSERVATIONES AD IVONIS CARNOTENSIS (537Kb) |
| Justellus, Christophorus | CHRISTOPHORI JUSTELLI AD CODICEM CANONUM (25116Kb) |
| Justellus, Christophorus | JUSTELLUS LECTORI (4Kb) |
| Justellus, Christophorus | PRAEFATIO CHRISTOPH. JUSTELLI IN CODICEM (81793Kb) |
| Justinianus I Augustus | JUSTINIANI EDICTUM CONTRA ORIGENEM (1Kb) |
| Justinianus I Augustus | JUSTINIANI EDICTUM CONTRA THEODORUM (1Kb) |
| Justinianus I Augustus | JUSTINIANI EPISTOLA AD PATRES (1Kb) |
| Justinianus I Augustus | JUSTINIANI IMPERATORIS EPISTOLA ADVERSUS (57357Kb) |
| Justinianus I Augustus | JUSTINIANI IMPERATORIS LEGES SELECTAE, (241Kb) |
| Justinianus I Augustus | JUSTINIANI IMPERATORIS LIBER ADVERSUS (105778Kb) |
| Justinianus I Augustus | JUSTINIANI IMPERATORIS NOVELLAE AD (8411Kb) |
| Justinianus II Augustus | EXEMPLAR DIVINAE JUSSIONIS JUSTINIANI (4Kb) |
| Justus Urgellensis | EPISTOLA S. JUSTI URGELLENSIS. AD (3Kb) |
| Justus Urgellensis | S. JUSTI URGELLENSIS IN CANTICA (101Kb) |
