1. John Bull (1914-2006) wrote Field Guide to North American Birds; Eastern Region
2. John Bull, rock climber and medical writer specializing in cancer wrote Canyoning: Classic Canyons in Spain, France and Italy.
3. John Bull (1562 - 1628), composer wrote Doctor Bull's good night: pièces pour clavier.
4. John Bull (b. 1946) wrote London Bus and Underground ........
5. Bull, John (John Stanley) New British political dramatists
