volume.1: Traditional fields of agricultural economics, 1940s to 1970s; Farm management and production economics. The analysis of productive efficiency in agricultural marketing: models, methods and progress; Policy for commercial agriculture; postwar policies relating to trade in agricultural economics; Agricultural price analysis and outllok; Agricultural finance and capital markets; Technical change in agriculture – volüme 2: Quantitative methods in agricultural economics 1940s to 1970s; Estimation and statistical inference in economics; Economic optimization in agricultural and resource economics; System analysis and simulation in agricultural and resource economics; Agricultural economic information systems -- volume.3: Economics of welfare, rural development and naturalresources in agriculture 1940s to 1970s; The economics of rural poverty; Rural people, communities and regions; Natural resource economics: 1946-75; Organization and performance of agricultural markets.