Mathew Brady died in 1896 and Levin C. Handy died in 1932. Photographs in this collection are in the public domain in the United States as works published before 1929 or as unpublished works whose copyright term has expired (life of author + 70 years).
Datoteka vsebuje še druge podatke, ki jih je verjetno dodal za njeno ustvaritev oziroma digitalizacijo uporabljeni fotografski aparat ali optični bralnik. Če je bila datoteka pozneje spremenjena, podatki sprememb morda ne izražajo popolnoma.