1. A68.156.9 Object number: A68.156.9 Object name: photograph Title: Abstraction from under 40 Tons Maker: Peter Stackpole Date made: 1934
2. A84.59.1 Object number: A84.59.1 Object name: photograph Title: Bridge with Worker; Quitting Time Maker: Peter Stackpole Date made: 1935
3. A84.59.4 Object number: A84.59.4 Object name: photograph Title: Pushing Buttons Maker: Peter Stackpole Date made: 1935
