General collections
Catalogue of digitized Medieval manuscripts
http://manuscripts.cmrs.ucla.edu/index.php
(search by language = Greek)
Princeton University Library. Digitized Greek Manuscripts
http://library.princeton.edu/byzantine/manuscript-title-list
retroReveal (Retroactively Revealing lost content in manuscripts, music, art, archaeology, and architecture)
http://retroreveal.org/
The Schøyen Collection
http://www.schoyencollection.com/
(also Greek manuscripts)
ZOTTER H., Bibliographie faksimilierter Handschriften
http://sosa2.uni-graz.at/sosa/faksbib/index.php
Collections by place
Ancient Lives. University of Oxford
http://ancientlives.org/tutorial/transcribe
Bucureşti, Biblioteca Academiei Române
http://www.e-corpus.org/ita/notices/141310-Collection-de-la-
Bibliotheca-Academiei-Rom%C3%A2-ne.html
Città del Vaticano, Biblioteca Apostolica Vaticana
http://www.mss.vatlib.it/gui/scan/link.jsp
Città del Vaticano, Biblioteca Apostolica Vaticana & Oxford, Bodleian Library
http://bav.bodleian.ox.ac.uk/digitized-items-greek-manuscripts
Dresden, Sächsische Landesbibliothek
http://digital.slub-dresden.de/listenansicht/
e-codices. Greek sources in Swiss libraries
http://www.e-codices.unifr.ch/de/list/all/Niarchos/100/0
Firenze, Biblioteca Medicea Laurenziana, manoscritti del fondo Plutei
http://teca.bmlonline.it/TecaRicerca/index.jsp
Heidelberg, Ruprecht-Karls-Universität, Universitätsbibliothek, Codices Palatini Graeci
http://digi.ub.uni-heidelberg.de/de/bpd/virtuelle_bibliothek/codpalgraec.html
(selected reproductions)
Leimonos Monastery (Digital Library)
http://84.205.233.134/library/thumb_en.php?status=1
London, British Library digitised manuscripts
http://www.bl.uk/manuscripts/
(full coverage of 284 Greek manuscripts)
München, BSB, Digitale Bibliothek, Collection of Grecian manuscripts
http://daten.digitale-sammlungen.de/~db/ausgaben/gesamt_ausgabe.html?recherche=ja&ordnung=
sig&projekt=1157525975&l=en
(selected digital reproductions)
Oxford, Bodleian Library, Greek Manuscripts
http://bodley30.bodley.ox.ac.uk:8180/luna/servlet/ODLodl~8~8
Oxford, Bodleian Library & Città del Vaticano, Biblioteca Apostolica Vaticana
http://bav.bodleian.ox.ac.uk/digitized-items-greek-manuscripts
Paris, BNF — Gallica. Bibliothèque numérique
http://gallica.bnf.fr/Search?ArianeWireIndex=index&lang=EN&f_typedoc=manuscrits&q=
grec&p=1&f_language=grc
Fac-similés de manuscrits grecs, latins et français du 5e au 14e siècle, exposés dans la Galerie Mazarine, Paris, Catala Frères, 1900
http://ia700300.us.archive.org/15/items/facsimilsdeman00bibluoft/
facsimilsdeman00bibluoft.pdf
Stuttgart, Wüttembergische Landesbibliothek
http://digital.wlb-stuttgart.de/digitale-sammlungen/listenansicht/?no_cache=1
Venezia, Istituto Ellenico. Scrittura e miniatura nei manoscritti dell’Istituto Ellenico di Venezia
http://194.177.217.107/scripts_and_miniatures/
Didactic collections
Álbum de copistas de manuscritos griegos en España
http://www.ucm.es/info/copistas/
FRANCHI DE’ CAVALIERI, Pius [Pio] — LIETZMANN, Johannes [Giovanni], Specimina codicum Graecorum Vaticanorum, Bonn, Marcus – Weber, 1910
https://ia600509.us.archive.org/0/items/speciminacodicum00fran/
speciminacodicum00fran.pdf
George Etheridge’s Encomium on Henry VIII addressed to Elizabeth I
http://www.rhul.ac.uk/Hellenic-Institute/Research/Etheridge/
Mnamon. Ancient Writing Systems in the Mediterranean
http://lila.sns.it/mnamon/index.php?page=Home&lang=en
Thematic collections
Manuscripts and Papyri of the Homer Multitext Project
http://www.homermultitext.org/manuscripts-papyri/index.html
Nag Hammadi Archive
http://ccdl.libraries.claremont.edu/cdm/landingpage/collection/nha
New Testament. Virtual manuscript room
http://intf.uni-muenster.de/vmr/NTVMR/IndexNTVMR.php
(images form the manuscripts listed in K. Aland, Kurzgefasste Liste der griechischen Handschriften des Neuen Testaments)
The Center for the Study of New Testament Manuscripts
http://www.csntm.org/manuscript
(selected images from Greek NT manuscripts)
Single manuscripts
Archimedes. The palimpsest
http://www.archimedespalimpsest.org/
Basel, Universitätsbibliothek, A VII 3 (Psalterium graeco-latinum)
http://www.e-codices.unifr.ch/en/list/one/ubb/A-VII-0003
Cambridge, University Library, MS Nn.2.41 (Codex Bezae)
http://cudl.lib.cam.ac.uk/view/MS-NN-00002-00041/1
Codex Sinaiticus Experience the oldest Bible
http://codexsinaiticus.org/
(the entire manuscript in digital form)
Codex Vaticanus
https://ia601505.us.archive.org/6/items/GA_03/GA_03.pdf
(Bibliorum sacrorum Codex Vaticanus 1209… collatis studiis… Caroli Vercellone… et Iosephi Cozza… editus, Romae 1868)
Codex Vaticanus
http://www.csntm.org/Manuscript/View/GA_03
(selected images)
Codex Vaticanus
http://www-user.uni-bremen.de/~wie/Vaticanus/index.html
(description and selected images)
El Escorial, Real Biblioteca, Y.I.1
http://www.homermultitext.org/manuscripts-papyri/upsilon-1-1.html
El Escorial, Real Biblioteca, Ω.I.12
http://www.homermultitext.org/manuscripts-papyri/omega-1-12.html
Genève, Bibliothèque de Genève, gr. 44
http://www.homermultitext.org/manuscripts-papyri/genavensis44.html
[STORNAJOLO, Cosimo], Le miniature delle omelie di Giacomo monaco (cod. Vatic. Gr. 1162) e dell’evangeliario greco Urbinate (cod. Vatic. Urbin. Gr. 2), con breve prefazione e sommaria descrizione di Cosimo Stornajolo, scrittore onorario della Biblioteca Vaticana, Roma, Danesi editore, 1910
http://ia700301.us.archive.org/8/items/miniaturedelleom00storuoft/
miniaturedelleom00storuoft.pdf
London, British Library, Royal MS 1 D VIII (Codex Alexandrinus)
http://www.bl.uk/manuscripts/FullDisplay.aspx?ref=Royal_MS_1_d_viii
Napoli, Biblioteca Nazionale, Codex ex Vindob. Graecus 1
Dioscurides Neapolitanus
http://digitale.bnnonline.it/index.php?it/113/dioscurides-neapolitanus
Padova, Biblioteca del Seminario, 194
http://medicaltraditions.org/padova
Venezia, Biblioteca Nazionale Marciana, gr. Z. 453 (= 821)
http://www.homermultitext.org/manuscripts-papyri/venetusB.html
Venezia, Biblioteca Nazionale Marciana, gr. Z. 454 (=822)
http://www.homermultitext.org/manuscripts-papyri/venetusA.html
Venezia, Biblioteca Nazionale Marciana, gr. Z. 458 (= 841)
http://www.homermultitext.org/manuscripts-papyri/marciana841.html
Wolfenbüttel, Herzog August Bibliothek, Cod. Guelf. 64 Weiss.
http://diglib.hab.de/wdb.php?dir=mss/64-weiss