opac.pnm.gov.my
Research index for locating articles, books, authors and citation information.
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Published directory entries matching your search.
oaji.net
Database of open-access scientific journals.
orka.bibliothek.uni-kassel.de
Digital library for searching books, documents, images and online collections.
openbenches.org
Website documenting commemorative benches.
opendesk.cc
Virtual furniture shop with downloadable design files.
orbi.uliege.be
Institutional repository of the University of Liège.
orfee.hepl.ch
Repository of HEP Vaud, Switzerland.
osaka-aoyama.repo.nii.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.
otemae.repo.nii.ac.jp
Search an online collection of books, documents, media and archival records.
otzarhasefer.com
Research index for locating articles, books, authors and citation information.
ows.lib.polyu.edu.hk
The Outstanding Work by Students project at The Hong Kong Polytechnic University.
global.oup.com
Series of reference materials published by Oxford University Press and digital library collection at Oxford Reference Online.
oxfordreference.com
Online reference featuring Oxford University Press titles.
pagella.bm-grenoble.fr
Digital library of Grenoble's heritage.
parsifal.urbe.it
Collective catalogue of the libraries of the URBE network in Rome.
inist.fr
Research index for locating articles, books, authors and citation information.
geodata.lib.utexas.edu
The physical collection and online collection of scanned maps hosted at University of Texas Libraries.
persee.fr
Search publications, authors, citations and related academic metadata.
philobiblon.upf.edu
Bibliographic database for vernacular works written in the Iberian Peninsual during the Middle Ages and part of the Renaissance.
phsg.contentdm.oclc.org
Repository of Pädagogische Hochschule St. Gallen in Switzerland.
photo.araba.eus
Search an online collection of books, documents, media and archival records.
sigb.net
Research index for locating articles, books, authors and citation information.
lapirateca.com
Search an online collection of books, documents, media and archival records.