https://www.jewishencyclopedia.com/articles/6403-frohman-daniel
FROHMAN, DANIEL - JewishEncyclopedia.com
Complete contents the 1906 Jewish Encyclopedia.
frohman daniel
https://www.philamuseum.org/objects/239933
Carl Van Vechten, Daniel Frohman, October 15, 1934 | Philadelphia Museum of Art
Photographs, Gelatin silver print, from October 15, 1934
carl van vechtendaniel frohmanoctober 15