Prof. Ehrlich, n.d., Prof. Ehrlich's Photograph Gallery, No.160 East 66th Street. Bet. Lexington & 3rd Ave, New York, Cabinet card, back, detail, Private collection of Ken Burkhart, LL/42542
Prof. Ehrlich n.d. Prof. Ehrlich's Photograph Gallery, No.160 East 66th Street. Bet. Lexington & 3rd Ave, New York
