[by] Richard H. Wiley and Paul Wiley. by Richard H. Crowell and Ralph H. Fox. by Richard J. Block and Diana Bolling. by Richard E. Bellman and Stuart E. Dreyfus. by Richard E. Speidel, Steve H. Nickles. by Richard Nelson Bolles. by Richard C. Tolman .. by Richard Harding Davis. by Richard B. Setlow and Ernest C. Pollard. Edited by Richard H. Wilcox [and] William C. Mann.