Europe trip: "The Mineral Industries of Eastern Europe" by John G. Panulas, George A. Rabchevsky, and Walter G. Steblez, 1988

Europe trip: "The Mineral Industries of Eastern Europe" by John G. Panulas, George A. Rabchevsky, and Walter G. Steblez, 1988, Box: 30, Folder: 11. 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/111682 Accessed October 26, 2024.