Oblique aerial photograph of Schloss Drachenburg in Königswinter, Germany, March 12, 1919.Inscription: "US 3A 915q. A24. Castle Petersburg. East of Konigswinter. 12-3-19. 12h. 100m. 26cm."
Photograph of the drawbridge passageway at Château de Fère-en-Tardenois, France, circa 1919.Inscription: "141421. Main passageway on drawbridge. Fere-en-Tardenois. B-2110."
Oblique aerial photograph of Mouse Tower, the Rhine, and docked ships near Bingen am Rhein, Germany, April 9, 1919.Inscription: "US 3A 91sq. B776. Mouse Tower at Bingen: 9-4-19. 16h 75m 26cm.