Biblioteca Digital (Unesp – Universidade Estadual Paulista)
Biblioteca Digital Hispánica (Biblioteca Nacional de España)
Biblioteca Nacional (Brasil)
Biblioteca Nacional de Portugal (Biblioteca Digital)
Brepol’s online publications
British Library: Digitised Manuscripts Home
Centre de Documentació Ramon Llull (Basede Dados Ramon Llull)
Collected Papers
Corpus Corporum (database): Universität Zürich
Crítica na Rede
Digital Vatican Library
E-codices – Virtual Manuscript Library Of Switzerland
Gallica – Bibliothèque Nationale de France
Google Scholar
IRHT/Medium – Répertoire des Manuscrits Reproduits et Recensés
Islamic Manuscripts Collection – University of Michigan Library
Medieval Illuminated Manuscripts
Medieval Manuscripts and Old Books: Digitized Manuscripts – Helsinki University Library
Medieval Manuscritps in Dutch Collections
Münchener DigitalisierungsZentrum
PhilPapers: Online Research in Philosophy
Portal de Periódicos da CAPES
Portal JSTOR
Publicações da Anpof
Real Biblioteca del Monasterio de San Lorenzo El Escorial
Repositorio Institucional de la Universidad de Cantabria
Scholastic Commentaries and Texts Archive
SCIELO Brasil
Série Dissertatio de Filosofia
Stanford Encyclopedia of Philosophy
Portuguese, Brazil