Richard L. Greaves...[et al]. Richard L. Scheaffer ... [et al.] Richard R. Kibbe ... [et al.]. Richard P. Woodward ... [et al.] Richard A. Easterlin ... [et al.] Richard A. DeMillo ... [et al.]. Richard LaGravenese Richard Goff ... [et al.] Richard H. MacNeal. Richard L. Johannesen.