This image was acquired from
flickr. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
smithsonian institution smithsonianinstitution three men woman seated thirties classics smithsonian institution archives smithsonianinstitutionarchives women's history month womenshistorymonth women in science womeninscience academia archaeology th century early thcenturyearly groupshot people monochrome blackandwhite black and