Sound motion pictures -- United States -- Catalogs. / https://id.loc.gov/authorities/subjects/sh85088125 https://id.loc.gov/authorities/names/n78095330-781 https://id.loc.gov/authorities/subjects/sh99001246 : Bradley, Edwin M.,
2005
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Sound motion pictures -- United States -- History. / https://id.loc.gov/authorities/subjects/sh85088125 https://id.loc.gov/authorities/names/n78095330-781 https://id.loc.gov/authorities/subjects/sh99005024 : Bradley, Edwin M.,