sigb.net
Research index for locating articles, books, authors and citation information.
Directory
Search results
Published directory entries matching your search.
pimeyes.com
Face search engine for finding publicly indexed images that appear to show the same person.
nauka-polska.pl
Online database of science in Poland.
porbase.bnportugal.gov.pt
Portuguese National Bibliographic Database.
priceonepenny.info
Bibliographic database of literature published in penny weekly numbers in London between 1837 and 1860.
catalog.princeton.edu
Catalog of Princeton University Library.
psiref.com
Online bibliographic database (2023-).
apa.org
American psychologic bibliographic database.
punjabipedia.org
Online encyclopedia maintained by Punjabi University concerning Punjabi language and culture.
data-ral.opendata.arcgis.com
Find published open datasets through filters, categories and keyword search.
rawweb.org
Raw Web helps research websites, public data, search results, or online communities.
rebiun.org
Network of academic libraries in Spain.
reddeerpress.com
Research index for locating articles, books, authors and citation information.
neurocienciaib.org
Nonprofit organization based in Argentina.
redalyc.org
Bibliographic database and digital library of open access journals.
ihsoyct.github.io
Archive-style Reddit search tool for finding posts and comments from public Reddit data sources.
rtabstracts.org
Research index for locating articles, books, authors and citation information.
Index providing access to music periodical literature published between 1750 and 1966.
Nonprofit organization offering digital collections and tools for locating research on musical topics.
repbib.uni-trier.de
Repertory of medieval literature commenting on the Bible.
reptile-database.org
Database that provides information of all living reptile species.
fis.uni-bamberg.de
Research Information System of the University of Bamberg.
rr.reuser.biz
Reuser is an OSINT resource for online investigations, research links, search methods, and public data tools.
rfc.fyi
rfc.fyi helps research websites, public data, search results, or online communities.