A black and white photo of a group of men. Public domain portrait photograph, free to use, no copyright restrictions image - Picryl description
A group of men standing next to an airplane, Library of Congress Harris and Ewing collection Title from unverified caption data on negative or negative sleeve. On sleeve: Watch Your Credit Line. Gift; Harris & More
Picryl description: Public domain image of an aircraft, aviator, 20th-century aviation, free to use, no copyright restrictions.