Oct 16, 2023 / 2:12PM
HAC: The Harold Acton Collection, New York University Florence
APA: The Acton Photograph Archive, New York University Florence
LPL: La Pietra Library, New York University Florence
LWT: London Weekend Television Archive
VLP CO: Villa La Pietra Collection Office
ca: Albumin paper
ct: cyanotype
clt: collotype
fi: photogravure
gsa: gelatin paper with silver salts
nlg: Gelatin plate negative
np: negative on film
plg: gelatin plate positive
scc: color chromogenic printing
sgb: gum bichromate printing
st: letterpress printing