Title: Der Hammer, Workers' Monthly, December 1934
Artist Display Name: Joseph Moissaye Olgin|William Gropper|Freiheit Publishing Asa’n|Hammer Publishing Company
Artist Display Bio: 1878–1939|American, New York 1897–1977 Manhasset, New York| | 
Artist Alpha Sort: Moissaye Olgin, Joseph|Gropper, William|Freiheit Publishing Asa’n|Hammer Publishing Company
Artist Wikidata URL: |https://www.wikidata.org/wiki/Q972080||
Medium: Photomechanical relief print; first edition
Credit Line: The Elisha Whittelsey Collection, The Elisha Whittelsey Fund, 2023