Underground opium den in San Francisco, illustration from 'Harper's Weekly', 13th October 1888.
Henry F. Farny / Public domain
Photograph of two men reclining on couches at an opium house in China.
Archibald Little, 1902 / Public domain
Opium den in a Chinese lodging house in San Francisco, California.
Unknown author, circa 1890 / Public domain
Opium den, Chinatown, Calcutta.
Claude Waddell (military photographer), 1945 / Public domain
Élisée Reclus, before 1905 / Public domain
Chinese opium smokers.
Drawn by Thomas Allom, engraved by G. Paterson, 1858 / Public domain
White Women in Opium Den, Chinatown, S. F., California
I.W. Taber, 1892 / Public domain
Chinese opium den.
Unknown author, late Qing Dynasty / Public domain
An opium den, Chinatown, San Francisco, California.
Robert N. Dennis, 1868-1900 / Public domain
"A New Vice: Opium Dens in France", cover of Le Petit Journal, 5 July 1903.
Unknown author / Public domain