(a) Journal of the Photographic, Society of London 1859.
Fotografia
Pagina 143
(a) Photographic notes, journal of the Birmingham photographie Society, edited by T. Sutton. December 1859. quando si illumina la negativa stessa
Fotografia
Pagina 147
(a) Journal of the photographic Society. 21 september 1857. London.
Fotografia
Pagina 480