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Paperity helps search books, ebooks, papers, library records, or reading archives.
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papyrus-datos.co
Search computer data collections and supporting image from COL.
archives.parliament.uk
Parliament Archives helps search books, ebooks, papers, library records, or reading archives.
parsifal.urbe.it
Collective catalogue of the libraries of the URBE network in Rome.
partille.se
Search a government or civic data catalog for reusable public information.
Search atmospheric, oceanography and climate data collections and supporting datasets from USA.
inist.fr
Research index for locating articles, books, authors and citation information.
pathwaycommons.org
Search basic in biology and medicine data collections and supporting datasets from USA.
gagarine.medium.com
PDF Download helps search books, ebooks, papers, library records, or reading archives.
pdfbooksworld.com
PDFBooksWorld helps search books, ebooks, papers, library records, or reading archives.
pdfcookie.com
PDFCookie helps search books, ebooks, papers, library records, or reading archives.
pdfhost.io
PDFHost helps search books, ebooks, papers, library records, or reading archives.
pdfiles.net
PDFiles helps search books, ebooks, papers, library records, or reading archives.
pdfroom.com
pdfroom helps search books, ebooks, papers, library records, or reading archives.
peptideatlas.org
Search basic in biology and medicine data collections and supporting experimental data from EEC.
data.permasense.ch
Search geography data collections and supporting datasets from CHE.
perplexity.ai
AI-powered answer engine that searches the web and cites sources for research questions.
perseus.tufts.edu
Perseus Digital Library helps search books, ebooks, papers, library records, or reading archives.
autority.wikimedia.cz
Bibliographic database for finding publications, citations and scholarly records.
pkc.gov.uk
Search a government or civic data catalog for reusable public information.
clinpgx.org
Search life data collections and supporting datasets from USA.
philobiblon.upf.edu
Bibliographic database for vernacular works written in the Iberian Peninsual during the Middle Ages and part of the Renaissance.
phind.com
(USA) An AI search engine specifically for developers that provides direct answers with code examples and context from across the web.
photo.araba.eus
Search an online collection of books, documents, media and archival records.