Toward a methodology of systemic study of the countryside; The community in integrated development; Integrated rural development: some preconditions for practical action; The integrated development of human and natural resources: a challenge not well by rural sociology; Agricultural cooperative farms - unity of economic and social progress in the GDR; On the socioeconomic aspect of modeling migration; A last look at the distributive aspect of diffusion; Industrialization in advanced rural communities (the Israeli Kibbutz); The agricultural ladder in a Brazilian community; Social equity and progressive farmers in dynamic agriculture; Prospects of rural communities under constructional aspects; On the influence of the changes in the nature of the work and in professional qualifications on the social mobility of cooperative farmers in the German Democratic Republic; Part-time farming in Sweden; The structure of the household economy in rural north Norway; The transition of the small farmer to urban man in western Europe; Social stratification and social mobility in village India; A comparative study of rural youth in the national regions of the USSR: general and specific features; Rural youth in the USA: status, needs, and suggestions for development; Quality of life: what is it? Style of life and quality of life; The gradual development of a new synthesis of agriculture and industry and some consequences for the life of the agricultural population; The fourth world congress of rural sociology.