Wir sind wirklich auf den Hund gekommen.
NPR: Lassie - The Perfect Dog Sets High Bar for Real Pups
Photoplay (via Archive.org): "The Story of Strongheart"
New York Times: DOG HERO OF FILMS DIES.; Strongheart, Who Was in War. Succumbs at Hollywood.
New Yorker: The Dog Star Rin Tin Tin and the Making of Warner Bros.
NPR: Rin Tin Tin: From Battlefield To Hollywood, A Story Of Friendship
BBC: Can Hollywood's top dogs really act?
