Mayer & Pierson (Ernest Mayer & Pierre-Louis Pierson) Album des députés au corps législatif, photograph d'après nature by Mayer & Pierson, photographers to S. M. L'Empereur, c. 1860. Album in-4, titled on the title page, composed of 196 albumen prints in carte de visite format, laminated to the leaves. Names and addresses of deputies on mounts. Average size of prints: 8.5 x 5.3 cm