The American System of Agricultural Education, by A.C. True and Dick J. Crosby. U.S. Department of Agriculture, Office of Experiment Stations, Circular 106 (rev.). Issued Oct. 26, 1912. Washington: GPO,, 1912

The American System of Agricultural Education, by A.C. True and Dick J. Crosby. U.S. Department of Agriculture, Office of Experiment Stations, Circular 106 (rev.). Issued Oct. 26, 1912. Washington: GPO,, 1912, Box: 4. Mabel Smith Douglass Papers, R-MC 60. Rutgers University Archives. https://archives.libraries.rutgers.edu/repositories/3/archival_objects/387421 Accessed December 23, 2024.