"Nature and scope of agricultural economics; Agriculture as a productive activity; Factors of production; Natural resources; Labour: the human basis; Pressure of population; Capital and its forms; Agricultural structure; Rent of land; Wages and agriculture; Interest and profits; Marketing of farm products; Prices in agriculture; Agricultural finance; The farm co-operatives; Some aspects of consumption; Agricultural trading; Taxation and the farmer; Agricultural planning; Agriculture in a developiung economy." . . . "Economic Theory as Applied to Agriculture" . . . . . . . . . . . . . "Economic theory as applied to agriculture" . . . "Economic theory as applied to agriculture"@en . . "Landbouweconomie." . . "Economische toestand. Economische ontwikkeling." . . . .