Start with high-confidence historical photography books, then narrow by subgenre or adjacent topics.
Some Vernacular Railroad Photographs
Jeff Brouws, Wendy Burton
From Above
Gemma Padley, Eamonn McCabe
Haunted Air
Ossian Brown
King Tut. the Journey Through the Underworld
Sandro Vannini
Photographing Civil Disobedience
Avrati Bhatnagar, Sumathi Ramaswamy
