Market valuation and investment in the U.S. railroad industry 1953-1960, 1981: t.p. (Daniel Jay Richards)

Agricultural trade liberalization in the Uruguay Round, 1990: p. x (Daniel J. Richards, Tufts Univ.)

Pepall, Lynne. Industrial organization, 2008: CIP t.p. (Dan Richards) data view (prof., economics, Tufts U.; has taught at Queen's Univ., Hamilton College, and the Sloan Sch. of Management; has served as consultant to the Federal Trade Commission)