Railroad bridges
name: label: Series Creator
content: Warshaw, Isadore, 1900-1969
setName: label: See more items in
content: Warshaw Collection of Business Americana Subject Categories: Bridges
label: See more items in
content: Warshaw Collection of Business Americana Subject Categories: Bridges / 2: Bridges / 2.2: Bridges by Type
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials