Possesses many thousands of manuscripts and incunabula. Also houses most Italian doctoral dissertations. It also holds microfilm copies of all manuscripts in public collections in Italy with the exception of those of the Ambrosiana (which are held at Ambrosiana and at the University of Notre Dame in Indiana) and those of the Vatican, since the Vatican, technically, is not part of Italy.
Includes the EKT’s (Το Εθνικό Κέντρο Τεκμηρίωσης, National Documentation Centre) databases and more:
Hellenic Ph.D. Dissertations
NDC's Serials Union Catalog
Medical Bibliography -- Hippocrates, Social Science Bibliography -- GLAFKA
Hellenic Archeological Records -- grArgos
Archeological Records -- intArgos
Argos--Serials Union Catalog
Hellenic School Libraries
Hellenic Public Libraries Union Catalog
Digital resources of many universities such as those of the University of Cincinnati, U. of California system, U. of Michigan, Texas A&M U., Yale, Bryn Mawr, Harvard, NYU, Northwestern, Ohio State, etc., including the English Short Title Catalog and the incunabula collection of the Universidad Complutense, Madrid, among countless other resources.
The J. Paul Getty Museum has published the catalogs "Ancient Carved Ambers in the J. Paul Getty Museum", "Ancient Terracottas from South Italy and Sicily in the J. Paul Getty Museum" and "Roman Mosaics in the J. Paul Getty Museum".
The Metropolitan Museum of Art creates, organizes, and disseminates a broad range of digital images and data that document the rich history of the Museum, its collection, exhibitions, events, people, and activities.