Books Reviewed: "The Measurement of Consumers' Expenditure and Behaviour in the United Kingdom, 1920-38"; "Farm Management Analysis"; "Principles of Farm Management"; "Principles of Appraisal"; "The World Wheat Economy, 1885-1939"; "Sample Survey Methods and Theory"; "Refrigeration in America: A History of a New Technology and Its Impact"; "Thomas Jefferson's Farm Book With Commentary and Relevant Extracts From Other Writings"