Judaica Online Exhibitions
Engraving by Max Liebermann (1847-1935)
Portrait of Hermann Cohen
published in Jakob Klatzkin (1882-1948), Herman Kohen
Berlin : Rimmon, 1923
Translation into Hebrew of the 1919 original German edition
The earlier, German edition did not include the Max Liebermann engraving
Hermann Cohen by Max Liebermann
Hermann Cohen by  Hermann Struck
Klatzkin's Hermann Cohen, title page

Hermann Cohen by Max Liebermann

Credit: Library at the Herbert D. Katz Center for Advanced Judaic Studies. (more bibliographic information).