1. Poilu's-Park, Les Poilus Bert-Gyll et Mezy duettistes a transformations (verso) Collection: Postcards of female and male impersonators and cross-dressing in Europe and the United States, 1900-1930 Date: 1915 Format: Image Performer: Bert-Gyll Publisher: Luce, editeur Photographer: V. Lavaux
2. Poilu's-Park, Les Poilus Bert-Gyll et Mezy duettistes a transformations Collection: Postcards of female and male impersonators and cross-dressing in Europe and the United States, 1900-1930 Date: 1915 Format: Image Performer: Bert-Gyll Publisher: Luce, editeur Photographer: V. Lavaux
