Private company
Shamrock Photoplay Corporation
Shamrock Photoplay Corporation is an American film production company based in San Antonio, founded in 1917.1
Shamrock Photoplay Corporation foi uma companhia cinematográfica estadunidense da era do cinema mudo, que atuou entre 1917 e 1923.2 From the Portuguese Wikipedia, CC BY-SA 4.0
Last updated Oct 21, 2026.
Sources
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