Silent Studio Directory - 266 - Sessua Hayakawa Productions - US - 1918-1920 - [see Haworth Pictures Corp.] Sevzapkino - RUSSIA - 1920s- current - production company and studio in Leningrad formerly named Kinosev; after several changes, in 1934, name was changed to Lenfilm and it remains today. Sfinks Studio - POLAND - 1909- 1936 - production company formed in Warsaw by Aleksander Hertz; in 1914, absorbed Kosmofilm owned by Henryk Finkelstein and expanded into distribution, becoming the dominant studio in Poland; created the Polish star system (primarily with Pola Negri and Mia Mara); Hertz died in 1928 and Finkelstein took control until 1936 when the studio closed due to the Nazis. Shaftesbury Feature Film Co. Ltd. - UK - 1912-1914 - distribution company formed by David Walter Beck and George Soole with offices at 55-59 Shaftesbury Ave., Westminster; distributed for Continental Kunstfilm. Shamrock Film - US - 1912-1913 - trade name for films produced by St. Louis Motion Picture Co. and distributed through Universal. Shamrock Photoplay Corp. - US - 1917-1923 - production company formed from reorganization of the Lone Star Co. in San Antonio, Texas; specialized in westerns. Sheffield Photo Co. - UK - 1913- 1914 - distribution company for Shamrock Films with offices located at 95 Norfolk St., Sheffield. Sheriott Pictures Corp. - US - 1917 - production company located at 218 West 42nd Street, New York and 203 Schiller Building, Chicago, Illinois. Sherlock Holmes Series Inc. - US - 1922 - production company with offices in New York; distribution through Educational Film. Sherman Pictures Corp. - US - 1917 - production company formed by Harry A. Sherman; located at Sherman Pictures Building, 218 West 42nd Street, New York. Sherman Productions Corp. - US - 1920 - production company formed by Harry A. Sherman; located at 1476 Broadway, New York.