1. Information costs, pricing and resource unemployment;Alchian,1970
2. Aspects of the theory of risk-bearing, Yrjo Jahnsson Lectures;Arrow,1965
3. Quasi-concave programming;Arrow;Econometrica,1961
4. The civilization of the renaissance in Italy;Burckhardt,1929
5. Fortune and fate from Democritus to St. Thomas Aquinas;Cioffari,1935