digitalmaryland.org
Regional digital library in the United States, and service hub for DPLA.
Directory
Academic & Research Search
Academic and research search points to repositories, digital libraries and archives used for study and reference. Many listings are institutional repositories holding theses, papers and datasets from a single university or research body. Others are larger digital libraries that collect books, images, newspapers and archive records across many collections, and a few search the holdings of libraries or museums. It helps to compare how much is open to read against what requires sign-in. Access rules vary between repositories, so confirm which items are open and which are not before you rely on a record.
mat.savba.sk
Digital library for searching books, documents, images and online collections.
mathscinet.ams.org
Bibliographic database of the Mathematical Reviews journal.
mdu.repo.nii.ac.jp
Search an online collection of books, documents, media and archival records.
matsutan.repo.nii.ac.jp
Search an online collection of books, documents, media and archival records.
matsumoto-u.repo.nii.ac.jp
Digital library for searching books, documents, images and online collections.
matsuyama-u-r.repo.nii.ac.jp
Find digitized publications and collection items through an online library.
digital.library.mcgill.ca
Web-based archive of primary materials related to Canadian Corporate.
meclivros.mec.gov.br
Browse digitized texts, images, archives and cataloged cultural materials.
communitiesandmininginnigeria.org
Browse digitized texts, images, archives and cataloged cultural materials.
mediarxiv.com
Digital library for searching books, documents, images and online collections.
www2.statsbiblioteket.dk
Danish archive of digitized newspapers.
medihal.archives-ouvertes.fr
Find digitized publications and collection items through an online library.
meilib.repo.nii.ac.jp
Digital library for searching books, documents, images and online collections.
meigaku.repo.nii.ac.jp
Browse digitized texts, images, archives and cataloged cultural materials.
meiji-u.repo.nii.ac.jp
Find digitized publications and collection items through an online library.
meikai.repo.nii.ac.jp
Browse digitized texts, images, archives and cataloged cultural materials.
meisei.repo.nii.ac.jp
Browse digitized texts, images, archives and cataloged cultural materials.
mejiro.repo.nii.ac.jp
Find digitized publications and collection items through an online library.
melinda.kansalliskirjasto.fi
National metadata repository of Finland.
memoriachilena.gob.cl
Browse digitized texts, images, archives and cataloged cultural materials.
memoricamexico.gob.mx
Search an online collection of books, documents, media and archival records.
menalib.de
Find digitized publications and collection items through an online library.
merhav.nli.org.il
Catalog of the National Library of Israel.