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Search an online collection of books, documents, media and archival records.
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Project Gutenberg helps search books, ebooks, papers, library records, or reading archives.
prompteden.com
Eden is a growth engine for AI search. It finds the questions competitors own in AI answers, turns them into on-brand content, and tracks citations.
prophy.ai
Search service for journal articles.
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psiref.com
Online bibliographic database (2023-).
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psyarxiv.com
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apa.org
American psychologic bibliographic database.
psyndex.de
Bibliographic reference database for publications from the field of psychology.
pacer.uscourts.gov
PACER provides access to US federal court dockets, filings, and case records.
data.seoul.go.kr
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publicdomainreview.org
Public Domain Review helps search books, ebooks, papers, library records, or reading archives.
repository.publisso.de
Search agriculture, forestry and veterinary medicine data collections and supporting datasets from DEU.
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PubPeer helps search books, ebooks, papers, library records, or reading archives.
pulpmags.org
Pulp Magazines Project helps search books, ebooks, papers, library records, or reading archives.
punjabipedia.org
Online encyclopedia maintained by Punjabi University concerning Punjabi language and culture.
purr.purdue.edu
Search engineering data collections and supporting image from USA.
jakevdp.github.io
Python Data Science Handbook helps search books, ebooks, papers, library records, or reading archives.