W. R. Ingalls: Полный список книг

W. R. Ingalls: список всех книг (2)

Rules and regulations for metal mines - W. R. Ingalls, James Douglas, J. R. Finlay, J. Parke Channing, John Hays Hammond

Rules and regulations for metal mines

W. R. Ingalls, James Douglas, J. R. Finlay, J. Parke Channing, John Hays Hammond

The Ecnomics of Mining - T. A. Rickard, W. R. Ingalls, H. C. Hoover

The Ecnomics of Mining

T. A. Rickard, W. R. Ingalls, H. C. Hoover