TY - BOOK A1 - Theobald, Robert T1 - Free men and free markets, New York (Clarkson N. Potter) 1963. Y1 - 1963 N1 - Notes in the copy - with inscription ER - TY - BOOK A1 - Theobald, Robert T1 - Future conditional, New York (The Bobbs-Merrill Company) 1972. Y1 - 1972 ER - TY - BOOK A1 - Theobald, Robert T1 - The guarenteed income, Nwe York (Anchor Books) 1967. Y1 - 1967 N1 - Notes in the copy ER -