Riddle, Katharine P., / joint author. : An annotated international bibliography of nutrition education; materials, resource personnel, and agencies. Compiled and edited by Clara Mae Taylor and Katharine P. Riddle.
Riddle, Mary, Mrs. / Author. : Unto the Right Honourable the Lords of Council and Session, the petition of James Maxwell now of Kirkconnel, son and heir of the late James Maxwell of Kirkconnell, and of Mrs Mary Riddle, relict of the said deceased James Maxwell, ... [electronic resource].
Riddle, Matthew. : The roles actors perform : role-play and reality in a higher education context / Matthew Riddle.
Riddle, Robert L. / Transistor physics and circuits. : Semiconductor circuits: linear and digital [by] Marlin P. Ristenbatt.
Riddle, Robin. : Bibliography of nuclear age educational resources / prepared by the International Security and Arms Control Project, Stanford Program on International and Cross-Cultural Education ; compiled and edited by Robin Riddle.
Riddle, S.S. : Proceedings of the tenth annual meeting of the International Association of Public Employment Services, held at Washington, D.C., September 11-13, 1922. [U.S. Bureau of Labor Statistics Bulletin No. 337. Employment and Unemployment Series. April 1923.]. [electronic resource]