Gum Sorting and Inspection Dept. at American Chicle Company Plant,
Underwood & Underwood,
Prints and Photographs Division, Library of Congress
Are You Working Every Day?
Chas. E. Price, lyrics, and J. F. Wyman, music,
Philadelphia: Wyman, J. F., 1884.
Music Division, Library of Congress
Four Young Men Standing Around a Large Piece of Machinery in a Workshop.
Chicago Daily New, Inc.,
Chicago Historical Society / Library of Congress
Meeting of the Mechanics and Others of the City of Washington,
Washington, D.C., 1852.
Rare Book and Special Collections Division, Library of Congress