United States Military Academy | history | American Museum of Natural History | United States National Research Council | National Research Council | Natural History Museum | History | military | Military Cross | History (U.S. TV channel) | natural history | Commonwealth Scientific and Industrial Research Organisation | Field Museum of Natural History | Royal Military Academy Sandhurst | History of China | Virginia Military Institute | research | National Museum of Natural History | Agricultural Research Service | Office of Naval Research | The History Channel | St. Jude Children's Research Hospital | Royal Military College of Canada | The Citadel, The Military College of South Carolina | Natural history | Cancer Research UK | Jewish history | Swedish Museum of Natural History | Royal Military College, Duntroon | Royal Military Academy |
He was professor U.S. Military History Research Collection at the U.S. Army War College in 1972-73; visiting professor of military history U.S. Military Academy, 1976-77; visiting professor, National University of Singapore, 1980; Royal Military College, Duntroon Australia, 1980, and the University of New South Wales, 1980.