persee.fr
Search publications, authors, citations and related academic metadata.
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Browse dated community launches and imported or editorial directory additions.
geodata.lib.utexas.edu
The physical collection and online collection of scanned maps hosted at University of Texas Libraries.
writing.upenn.edu
Project producing new audio recordings and preserving existing audio archives.
telem.openu.ac.il
Browse digitized texts, images, archives and cataloged cultural materials.
inist.fr
Research index for locating articles, books, authors and citation information.
parsifal.urbe.it
Collective catalogue of the libraries of the URBE network in Rome.
pclha.cvlcollections.org
Digital archive for Park County, Colorado history.
paperspast.natlib.govt.nz
Digital newspaper archive of the National Library of New Zealand.
pagella.bm-grenoble.fr
Digital library of Grenoble's heritage.
oxfordreference.com
Online reference featuring Oxford University Press titles.
global.oup.com
Series of reference materials published by Oxford University Press and digital library collection at Oxford Reference Online.
ows.lib.polyu.edu.hk
The Outstanding Work by Students project at The Hong Kong Polytechnic University.
ourarchive.otago.ac.nz
Open research repository at Otago University in New Zealand.
otzarhasefer.com
Research index for locating articles, books, authors and citation information.
otemae.repo.nii.ac.jp
Search an online collection of books, documents, media and archival records.
ompu.repo.nii.ac.jp
Browse digitized texts, images, archives and cataloged cultural materials.
ir.library.osaka-u.ac.jp
Search an online collection of books, documents, media and archival records.
lib.osaka-kyoiku.ac.jp
Search an online collection of books, documents, media and archival records.
ogu.repo.nii.ac.jp
Browse digitized texts, images, archives and cataloged cultural materials.
osaka-aoyama.repo.nii.ac.jp
Search an online collection of books, documents, media and archival records.
orfee.hepl.ch
Repository of HEP Vaud, Switzerland.
oregonpoeticvoices.org
Digital archive of poetry readings by Oregon poets.
oregondigital.org
Digital archive portal in Oregon, US.
orcabook.com
Find scholarly literature and bibliographic records using structured search fields.