Mountain gorillas; Interviews; Oral histories; Campbell Boat Works; It Began with a Roar! (book); Ramona; Hopkins Laboratory; General Atomics; Bishop Museum; Manhattan Project; Minnesota State Zoo; Wegeforth Bowl; National Institutes of Health; Sutherland Dam; Wild Animal Park; San Diego Zoo Safari Park; Balboa Park; Skyfari; Liebardt and Weston Architects; Callahan Brothers; Westinghouse Airbrake Company; Rohr, Inc.; International Union of Zoo Directors; Rome Zoo; Zoo animals; Bull elephants
