Complex sentence: Both father and son worked jointly on the revision of John Bates Clark's "The Control of Trusts" (1914), work continued by John Maurice in "Social Control of Business" (1926, revised in 1939).
Split into simpler sentences: Both father and son worked jointly on the revision of John Bates Clark's "The Control of Trusts" (1914). This work was continued by John Maurice in "Social Control of Business" (1926, revised in 1939).