His influential books, written with Catchings, were Money (1923), Profits (1925), Business Without a Buyer (1927), The Road to Plenty (1928), and Progress and Plenty (1930).
His groundbreaking publications, co-authored with Catchings, were Money (1923), Profits (1925), Business Without a Purchaser (1927), The Road to Abundance (1928), and Progress and Prosperity (1930).