opendata.maryland.gov
Find published open datasets through filters, categories and keyword search.
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Published directory entries matching your search.
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.
nlte.nist.gov
Search chemistry data collections and supporting text from USA.
mdw.ac.at
Search acoustics data collections and supporting datasets from AUT.
meps.ahrq.gov
Search economics data collections and supporting datasets from USA.
data.midrc.org
Search life data collections and supporting datasets from USA.
melinda.kansalliskirjasto.fi
National metadata repository of Finland.
memoricamexico.gob.mx
Search an online collection of books, documents, media and archival records.
merhav.nli.org.il
Catalog of the National Library of Israel.
metoffice.gov.uk
Search agriculture, forestry and veterinary medicine data collections and supporting image from GBR.
metanetx.org
Search basic in biology and medicine data collections and supporting genomic data from CHE.
michigan.staterecords.org
Michigan public-records portal for searching court, criminal, property, and vital-record sources.
mage.genoscope.cns.fr
Search basic in biology and medicine data collections and supporting genomic data from FRA.
microsoft.com
Former online bibliographic database, developed by Microsoft Research, shut down in 2022.
mindbigdata.com
Search biology data collections and supporting datasets from ESP.
minpaku.repo.nii.ac.jp
Search an online collection of books, documents, media and archival records.
reseau-mirabel.info
Database and online access to journals.
opendata.gis.ms.gov
Search a government or civic data catalog for reusable public information.
repositorios.fdi.ucm.es
Digital library and authority control.
mojeek.com
Mojeek provides private or low-tracking search for web results and online discovery.
monoskop.org
Research index for locating articles, books, authors and citation information.
data.montpellier3m.fr
Search a government or civic data catalog for reusable public information.