Ficheiro:Harold Davenport.jpgDescriptionHarold Davenport.jpg Harold Davenport Date 1968 Source https://opc.mfo.de/detail?photoID=792 Author Konrad Jacobs Permission (Reusing this
Ficheiro:Ware-article-2111.jpgPublished in the United States prior to 1923, public domain. Original in Tim Davenport collection, scanned by me for Wikipedia, no copyright claimed. English
Ficheiro:Christensen-Tarzan-1936.jpgGeorge "Tarzan" Christensen, 1936 Photographer uncredited. Published in Harold "Speed" Johnson (ed.), Who's Who in Major League Football 1936. Chicago: