G.M. · G.O. · Gilman Marston Ostrander · M. O.
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| American Civilization in the First Machine Age: 1890-1940 | 978-0-06-131652-4 (0-06-131652-0) | 1972 |
| A Profile History of the United States | 978-0-07-047913-5 (0-07-047913-5) | 1972 |