PD sources

Now and then I try to remove links that are dead, outdated, or have changed in some way

Everything or just more

Wikimedia Commons
ThoughtCo Lifelong Learning
Open Culture Films, Audio, Books, Classes
Creative Commons
Welcome · Digital Public Library of America

Possibly changed again: https://www.w3.org/ecosystems/publishing/

Graphics, ads & magazines

Some now have popups.

Wikipedia:Public domain image resources - Wikipedia, the free encyclopedia
Public Domain Files | Pictures, Clip Art, Fonts, & More! | PublicDomainFiles.com May no longer be curated
The Public Domain Review
Britain's History in Old Photos and Vintage Adverts
strangesisters.com - an archive of Lesbian Paperback covers from the 50's and 60's
Flickr: x-ray delta one's Photostream
Vintage Ads - vintage-ads.livejournal.com (the site may be awkward)

Vintage Ad Browser - vintageadbrowser.com
Vintage ad browser seems to be down but the link leads to a statement concerning corruption in the U.S. I’m leaving the link.
Magazine Art - a fantastic source
                       : Magazine Art Links to other sources
Art Passions - Illustrations by Historical Artists



PD comics

Public Domain Super Heroes
Comic Book Plus - Free And Legal Public Domain Books
Golden Age Heroes
Nobody Loves A Fat Man - Non PC but funny comic from circa 1909



It's easy to find sites with lists of available books by searching for the phrase free books


Clip Art & Images

Free Clipart Graphics, Images and Photos. Public Domain.
Public Domain Clip Art
Openclipart - Free Clipart Are The Best
Pixabay - Free Images
Photos Public Domain - Free photographs, pictures, clipart & images for any use - Royalty Free Stock Photos
Web Gallery of Art, image collection, virtual museum, searchable database of European fine arts (1100-1850)
Creative Nerds Freebies
Duke University Digital Repository -Ads A collection of Advertisements


Music and/or sounds

Public Domain Music
Public Domain 4U – Best in Public Domain MP3s
Browse Music by composer, performer, instrument, period or form
royaltyfreemusic.audio/
Stonewashed Free Music
Mechanical Sound Effects
Musopen - Music and sheet music
Free Sound Effects, Royalty Free Sound Effects, Nature Sounds
PD Info-Public Domain and Royalty Free Music


Film

Free Movies Cinema - Action, Documentary, Cartoon, Animation, thriller, Horror, Comedy, Sci-Fi, STREAMING
Watch Documentaries and Animated Films Online - NFB.ca
PublicDomainFlicks.com - Free Public Domain Movie Downloads
List of films in the public domain in the United States - Wikipedia, the free encyclopedia
Latest films and commentary on ASO - Australia's audio and visual heritage online
Classic Cinema Online - Home
Films - CC Wiki
Internet Archive: Digital Library of Free Books, Movies, Music & Wayback Machine


Better Specific Searching

Searches that specialize in books, science, other information.

www.refseek.com - Academic Resource Search. More than a billion sources: encyclopedia, monographies, magazines.

www.worldcat.org - a search for the contents of 20 thousand worldwide libraries. Find out where lies the nearest rare book you need.

https://link.springer.com - access to more than 10 million scientific documents: books, articles, research protocols.

https://collections.digital.utsc.utoronto.ca/ is a library of scientific bioscience journals published in developing countries.

http://repec.org - volunteers from 102 countries have collected almost 4 million publications on economics and related science.

www.science.gov is an American state search engine on 2200+ scientific sites. More than 200 million articles are indexed.

www.pdfdrive.com is the largest website for free download of books in PDF format. Claiming over 225 million names.

www.base-search.net is one of the most powerful researches on academic studies texts. More than 100 million scientific documents, 70% of them are free

National Digital Library : Home

Miscellaneous for now

Free Audio Books: Download Great Books for Free | Open Culture
Melt - Visualmelt.com an archive of esoteric and contemporary culture. Visual & audio
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