H. F. Hayden, William Stamps Farish, Joel Dean, Wallace Trevor Holliday, Ralph Kenneth Davies, J. Howard Pew, L. J. Brewer, Albert E. Sweeney, Peter R. Odell, National Petroleum Gas Company, United States. Office of Price Administration. Information Department, United States. Department of the Interior. Petroleum Conservation Division, Independent Petroleum Association of America, Humble Oil and Refining Company (Incorporated in Tex.), Standard Oil Company of New Jersey, Union Oil Company of California · First published 1880
