1. Ferry Krieg, Damen-Imitator Collection: Postcards of female and male impersonators and cross-dressing in Europe and the United States, 1900-1930 Date: 1903 (postmarked) Format: Image Publisher: Berl. Phototyp. Inst. Reb. Prager, Berlin
2. Ferry Krieg, Damen-Imitator Collection: Postcards of female and male impersonators and cross-dressing in Europe and the United States, 1900-1930 Date: 1903 (postmarked) Format: Image Publisher: Berl. Phototyp. Inst. Reb. Prager, Berlin
3. Zwegaly ? Collection: Postcards of female and male impersonators and cross-dressing in Europe and the United States, 1900-1930 Date: ca. 1905 Format: Image Publisher: Berl. Phototyp. Inst. Reb. Prager, Berlin
4. Zwegaly ? Collection: Postcards of female and male impersonators and cross-dressing in Europe and the United States, 1900-1930 Date: ca. 1905 Format: Image Publisher: Berl. Phototyp. Inst. Reb. Prager, Berlin
