This primary source comes from the Records of the Office of the Chief Signal Officer, 1860 - 1985.
National Archives Identifier:
24686Full Citation: Motion Picture 111-H-1181; Port of Disembarkation, New York Harbor; 1919; Historical Films, ca. 1914 - ca. 1936; Records of the Office of the Chief Signal Officer, 1860 - 1985, Record Group 111; National Archives at College Park, College Park, MDl. [Online Version, https://www.docsteach.org/documents/document/disembarkation-ny, March 27, 2025]