The Saturday Normal School; "The manufacturing interests of the United States"; "To those who wish to increase their business" (New York: New York Democrat,, 1870, March 4, 1

The Saturday Normal School; "The manufacturing interests of the United States"; "To those who wish to increase their business" (New York: New York Democrat,, 1870, March 4, 1, Box: 31, Folder: 1. Roebling Family Collection, MC 654. New Brunswick Special Collections. https://archives.libraries.rutgers.edu/repositories/11/archival_objects/324551 Accessed October 02, 2024.