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:
presidents u.s. presidents uspresidents american presidents americanpresidents portraits historic presidential portraits presidentialportraits people monochrome suit indoor portrait Calvin Coolidge by Notman Photo Co. . Library of Congress. Public domain. White House bio of Calvin Coolidge www.whitehouse.gov Calvin Coolidge by Notman