The industrialization of agriculture, Ian Bowler; data sources for studying agriculture, Gordon Clark; factors of production in modern agriculture, Richard Munton; the agricultural significance of farm size and land tenure, Ian Bowler; farm types and agricultural regions, John Aitchison; changing farm enterprises, Christopher Edwards; marketing agricultural produce, Patrick Hart; agriculture and the environment, Martin Parry; agriculture and the state, John Tarrant; farming at the urban fringe, Christopher Bryant.