copyright.gov
Card catalog located at the Library of Congress, Copyright Public Records Reading Room.
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Published directory entries matching your search.
core-econ.org
CORE Econ helps search books, ebooks, papers, library records, or reading archives.
cugir.library.cornell.edu
Research data portal for exploring geosciences records, including geospatial data.
projects.propublica.org
ProPublica database for searching companies approved for large federal pandemic relief loans.
corporationwiki.com
Company relationship database for finding businesses, officers, addresses, and connected entities.
mlat.uzh.ch
Corpus Corporum helps search books, ebooks, papers, library records, or reading archives.
corpus-musicae-ottomanicae.de
Research data portal for exploring art history, music, theatre and media studies records, including dataset.
correlatesofwar.org
Research data portal for exploring history records, including datasets.
cdaac-www.cosmic.ucar.edu
Research data portal for exploring atmospheric, oceanography and climate records, including datasets.
cosmosim.org
Research data portal for exploring astrophysics and astronomy records, including datasets.
cotrans.touhou.ai
Cotrans helps search books, ebooks, papers, library records, or reading archives.
frenchfrysoftware.com
Cover helps search books, ebooks, papers, library records, or reading archives.
covianalytics.com
Analytics site for exploring business, finance, or public-record datasets through visual dashboards.
covid19dataportal.org
Research data portal for exploring biology records, including datasets.
cozyaudiobooks.com
CozyAudiobooks helps search books, ebooks, papers, library records, or reading archives.
apex.ipk-gatersleben.de
Research data portal for exploring biology records, including genomic data.
dspace.lib.cranfield.ac.uk
Research data portal for exploring agriculture, forestry and veterinary medicine records, including experimental data.
criik.com
Open-data catalog covering South America, with filters and downloadable records.
criminalip.io
Criminal IP is a unified search tool for finding web pages, files, records, code, or internet intelligence.
search.crossref.org
Search tool for scholarly metadata, DOI records, research papers, and citation links.
crt.sh
CRT Certificate Search searches public certificate records, TLS data, domains, and related infrastructure details.
cryptome.org
Cryptome helps search books, ebooks, papers, library records, or reading archives.
cubari.moe
Cubari helps search books, ebooks, papers, library records, or reading archives.
proxy.cubari.moe
Cubari Proxy helps search books, ebooks, papers, library records, or reading archives.