Thomas Sutton, 1855, Title page for Thomas Sutton, 1855, The Calotype Process. A Hand Book to Photography on Paper, (London: Joseph Cundall), Book title page, Getty Research Institute, LL/107156
Augustus Le Plongeon, 1873 (ca), Uxmal: Nunnery Quadrangle, West Building, front (east) facade; section between 2nd and 3rd doorways from left; including standing figure wearing loincloth and cape, holding staff across chest. Maya assistant and Alice Dixon Le Plongeon., Albumen print, Getty Research Institute, LL/46674