保持健康 (出版1919)

"Keeping Fit" was a 48-poster series produced by the U.S. Public Health Service and the YMCA in 1919.  It was designed to educate teenage boys and young men about the dangers of sexual promiscuity and urged them to embrace moral and physical fitness.

https://gallery.lib.umn.edu/exhibits/show/swha_keeping_fit/posters