French police photograph of Ivan Aguéli, March 1894. Made by Alphonse Bertillon. Albumen silver print from glass negative, 10.5 x 7 x cm. The Metropolitan Museum of Art, New York, Gilman Collection, Museum Purchase, 2005.
Bilden finns även publicerad i skriften “Anarchist, Artist, Sufi: The Politics, Painting and Esotericism of Ivan Aguéli”, redaktör Mark Sedgwick, Bloomsbury 2020