Other
History
5
Histoire
2
African American soldiers
1
African Americans
1
Buildings
1
Buildings, structures, etc
1
Genealogy
1
HISTORY / United States / Civil War Period (1850-1877)
1
HISTORY / United States / State & Local / Middle Atlantic (DC, DE, MD, NJ, NY, PA)
1
Heroes
1
Héros
1
Historic bridges
1
Historic buildings
1
Historic sites
1
History, Military
1
Iron foundries
1
Iron industry and trade
1
Lieux historiques
1
Militaires noirs
1
Militaires noirs américains
1
Noirs américains
1
PHOTOGRAPHY / Subjects & Themes / Regional
1
Ponts historiques
1
Quakers
1
Railroad stations
1
Railroads
1
SOCIAL SCIENCE / Slavery
1
Soldiers, Black
1