The J. Paul Getty Museum
I. W. Taber
License, verbatimCC0
The J. Paul Getty Museum: image dedicated to the public domain under Creative Commons Zero (CC0), stated on the media record itself ('Rights for Media'), with download clearance.
I. W. Taber. [Portraits of Ulysses S. Grant, Rutherford B. Hayes, Richard W. Thompson, and William T. Sherman], 1880. The J. Paul Getty Museum.