His Answers to life’s difficult questions, c1985: t.p. (Richard Warren) p. 4 of cover (Rick Warren, pastor of Saddleback Valley Community Church, Laguna Hills, Calif.)

Phone call to R. Warren, 9/23/85 (Richard Duane Warren; b. 1/28/54)

Biblioteca del congreso (Estados Unidos), 27 septiembre 2017: catálogo electrónico https://goo.gl/j74Yy3