Sidewalk sitters. Two women sitting in doorway of empty storefront that is being offered for rent, Harlem, New York City, ca. 1930s
The New York Public Library offers almost 200,000 out-of-copyright images from its Digital Collections. The digitized images in the public domain include historical photographs, manuscripts, maps, music sheets, and postcards.
The images can be searched by topic, collection, or genre, and they are displayed in the easy to use NYPL image viewer.
To search for public domain images you can simply select the checkbox on the NYPL Digital Collection search page after typing your keywords.
You can find link to more public domain images collections in the library guide for Communications.