- Gosztonyi, Péter1
- Graber, G. S.1
- Griffiths, Richard1
- Higham, Charles1
- Leningradskaia Studiia Dokumentalnykh Filmov (LSDF)1
- Lennauchfilm1
- Ránki, György1
- Schrenck-Notzing, Caspar von1
- Smith, Truman1
- Tsentralnaia Studiia Dokumentalnykh Filmov (TsSDF)1
- UPTIN1
- Urwich-Ferry, Johann1
- Visnews1
- Williamson, D. G.1
- Windelen, Heinrich1