ADB / NDB – Deutsche Biographie
AISR – Asociația Institutul pentru Studii Renascentiste
Album Borja / Borgia – Images d’Art
Art History Resources on the Web
ASV – Archivio Segreto Vaticano
BC – Biblioteca de Catalunya
BDH – Biblioteca Digital Hispánica
Biblija
Biblioteca Valenciana / BiValDi
Biblioteca Virtual Miguel de Cervantes
BITECA / BETA
BL – British Library
BNE – Biblioteca Nacional de España
BNF – Bibliothèque Nationale de France
BSB – MDZ
BVPB – Biblioteca Virtual del Patrimonio Bibliográfico
CCUC – CBUC
CEIC Alfons el Vell (Gandia)
Centro de Estudios Borjanos (Borja, Aragó)
CERL – Thesaurus
CORDE / CREA
CRRS – Centre for Reformation and Renaissance Studies
DBI – Dizionario Biografico degli italiani
DCVB – Diccionari català-valencià-balear
Diario Borja-Borgia, de Manuel Borja
DiCCA-XV
Early Music
EDIT 16 – ICCU
Europeana
Europeana Regia
Gallica
Gandia – Palau Ducal
Google Books
GVK
IIEB – Institut Internacional d’Estudis Borgians
Index Translationum
Institución Fernando el Católico
Internet Archive
Internet Culturale: cataloghi e collezioni digitali delle biblioteche italiane
ISIME – Istituto Storico Italiano per il Medioevo
ISTC – Incunabula Short Title Catalogue
Istituto Nazionale di Studi sul Rinascimento
KIT Bibliothek
Llull DB – Base de Dades Ramon Llull
LOC – Library of Congress
Loebolus
MCEM – Manuscrits Catalans de l’Edat Moderna
MDC – Memòria Digital de Catalunya
Mimesi
Octubre CCC
Onomasticon RR
PARES
Poeti d’Italia in lingua latina
PRDL – Post-Reformation Digital Library
Project Gutenberg
Rialc
Roderic: Somni
Roma nel Rinascimento
SBN
Schoenberg Database of Manuscripts
Scholasticon
SLUB Dresden
Studia Humanitatis
The Alchemy Web Site
The European Library
The Latin Library
The Public Domain Review
The Roman Law Library
The Warburg Institute
Translat
Trobes
UB – CRAI
V16 / V17
Valencia Origen del Ajedrez 1475
WorldCat