1. Probasta, das psychologische Ratsel Collection: Postcards of female and male impersonators and cross-dressing in Europe and the United States, 1900-1930 Date: ca. 1900 Format: Image Publisher: John Koefod, Lichtdruckanstalt, Hamburg
2. Probasta, das psychologische Ratsel Collection: Postcards of female and male impersonators and cross-dressing in Europe and the United States, 1900-1930 Date: ca. 1900 Format: Image Publisher: John Koefod, Lichtdruckanstalt, Hamburg
3. ? Luzernow ? Collection: Postcards of female and male impersonators and cross-dressing in Europe and the United States, 1900-1930 Date: ca. 1905 Format: Image Publisher: John Koefod, Lichtdruckanstalt, Hamburg
4. ? Luzernow ? Collection: Postcards of female and male impersonators and cross-dressing in Europe and the United States, 1900-1930 Date: ca. 1905 Format: Image Publisher: John Koefod, Lichtdruckanstalt, Hamburg