|Sinews of Steel|
|Directed by||Frank O'Connor|
|Produced by||Samuel Sax|
|Edited by||Edith Wakeling|
|Distributed by||Lumas Film Corporation|
|April 4, 1927|
- Munden p.723
- "7,200 Lost U.S. Silent Feature Films (1912-29) National Film Preservation Board (January 2021) - (Current as of 02.04.2021)" (PDF). LOC.GOV. February 4, 2021.
Some recent “finds” now removed from this list:...
- Munden, Kenneth White. The American Film Institute Catalog of Motion Pictures Produced in the United States, Part 1. University of California Press, 1997.