APHP.S1.A.F1.6
- Record APHP_S1_A_F1_6-002.jpg Back of Philip Fox and American Astronomical Society meeting attendees with coelostat, 1930 APHP.S1.A.F1.6 CC BY-SA, https://creativecommons.org/licenses/by-sa/2.0/
- Digital Collection Adler Planetarium Historic Photographs
- Rights CC BY-SA, https://creativecommons.org/licenses/by-sa/2.0/