The Data Catalogue DBK holds study descriptions of all studies that are long-term archived at the Data Archive. You can search for studies and download or order data for secondary analysis. Topics: Agricultural, forestry and rural industry ; Rural economics ; Labour and employment ; Working conditions ; Unemployment ; In-job training ; Employment ; Demography and population ; Educational policy ; Biotechnology ; Drug abuse ; Income, property and investment / saving ; Elites and leadership ; Nutrition Education ; Family life and marriage ; Fertility ; Land use and planning ; Leisure, tourism and sport ; Community, urban and rural life ; History; Gender and gender roles ; Business / industrial management ; Society and culture ; Law, crime and legal systems ; Legislation ; Health ; Equality and inequality ; Trade, industry and markets ; Information technology, society ; Domestic political issues ; International politics and organisation ; Youth ; Children ; Conflict, security and peace ; Consumption / consumer behaviour ; Crime ; Cultural activities and participation ; Cultural and national identity ; Physical fitness and exercise ; Life-long / continuing education ; Teaching profession ; Vocational education ; Teaching packages and test datasets ; Mass media ; Migration ; Minorities ; Natural landscapes ; Natural resources and energy ; Plant and animal distribution ; Politics ; Political ideology ; Mass political behaviour, attitudes / opinion ; Psychology ; Legal systems ; Government, political systems and organisation ; Religion and values ; Rehabilitation / reintegration into society ; Retirement ; Childbearing, family planning and abortion ; Social exclusion ; Specific social services: use and provision ; Social conditions and indicators ; Social stratification; Social welfare policy; elderly; elections Economic conditions and indicators ; Economic policy.