Start with high-confidence graphic history books, then narrow by subgenre or adjacent topics.
Persepolis
Marjane Satrapi, Mattias Ripa
Between Shades of Gray
Andrew Donkin, Ruta Sepetys
Displacement
Kiku Hughes
Pearl: a Graphic Novel
Sherri L. Smith, Christine Norrie
Saints
Gene Luen Yang, Lark Pien
Boxers & Saints Boxed Set
They Called US Enemy
George Takei, Justin Eisinger
Armaveni
Nadine Takvorian
Superman Smashes the Klan
Gene Luen Yang, Gurihiru
