Biblioteca ambrosiana: http://www.ambrosiana.it/ita/index.asp

Biblioteca Riccardiana, Firenze: http://www.riccardiana.firenze.sbn.it/

Bibliothèque nationale de France, Banque d'images: http://images.bnf.fr/jsp/index.jsp

Bodlean Library, Western Manuscripts to c. 1500: http://www.bodley.ox.ac.uk/dept/scwmss/wmss/medieval/browse.htm

Byzantine Manuscript Indices: http://www.fordham.edu/halsall/byz/byzantine-mss.html

Codices Electronici Sangallenses (CESG) – Virtual Library: http://www.cesg.unifr.ch/en/

Digital Scriptorium: http://www.scriptorium.columbia.edu/

Digital Source Collection: Digitized Medieval Manuscripts on CD: http://www.zti.hu/earlymusic/CD-Catalogue/CD_titlepage.htm

Enluminures: http://www.enluminures.culture.fr/

Index of Medieval Medical Images (IMMI) (UCLA): http://www.library.ucla.edu/biomed/his/immi/

Iter Gateway: http://www.itergateway.org/

Institut de recherche et d'histoire des textes, Codicological vocabulary: http://vocabulaire.irht.cnrs.fr/vocab.htm

Liber floridus: http://liberfloridus.cines.fr/

Manuscripta Mediaevalia: http://www.manuscripta-mediaevalia.de/Handschriften-Forum.htm

Manuscriptorium: http://www.manuscriptorium.com/Site/ENG/default_eng.asp

Mediaevum.de, Digitalisierte Handschriften: http://manuscripta.mediaevum.de/manuscr4.htm

Medieval manuscripts in Dutch collections: http://www.mmdc.nl/static/site/

Mikrofilmarchiv und Handschriftendatenbank: http://www.ign.uni-muenchen.de/mahsdb.htm

Monumenta Germaniae Historica: http://www.mgh.de

Palaeographia: http://www.palaeographia.org/palaeographia.htm

Peraldus: A collection of bibliographical references to medieval manuscripts: http://www.peraldus.ch/index.html

Oxyrhynchus online: http://www.papyrology.ox.ac.uk/POxy/

Lawrence J. Schoenberg Collection: http://dewey.library.upenn.edu/sceti/ljscollection/