1997 Natural Gas YearbookDavid L. Bole, J. Thomas Brett, Margaret Carson, Marshall A. Crowe, Walter Davis, Constance Ballard Dever, Mark R. Haas, Sheila S. Hollis, William R. Hughes, Christian Hyde, Kathleen E. Magruder, Rae McQuade · First published 1996Open the Tome
The radio industryDavid Sarnoff, J. Anton De Haas, Harvard University. Graduate School of Business Administration · First published 1928Open the Tome
