"Coal Mining in Europe: A Study of Practices in Different Coal Formations and under Various Economic and Regulatory Conditions Compared with Those in the United States," Bulletin 414 by George S. Rice and Irving Hartman, 1939

"Coal Mining in Europe: A Study of Practices in Different Coal Formations and under Various Economic and Regulatory Conditions Compared with Those in the United States," Bulletin 414 by George S. Rice and Irving Hartman, 1939, Box: 64a, Folder: 10. J. Davitt McAteer Papers regarding Mining Safety, A&M 4219. West Virginia and Regional History Center. https://archives.lib.wvu.edu/repositories/2/archival_objects/112481 Accessed December 05, 2025.