• 16 Books
• 3 Journals, Magazines, Newspapers
• 1 Microforms

• 2 Construction workers
• 2 Cost and standard of living
• 2 Steel industry and trade
• 2 Women
• 1 Automation
• 1 Discrimination in employment
• 1 Employee participation
• 1 Employment
• 1 Family allowances
• 1 History
• 1 Incentives in industry
• 1 International
• 1 Iron and steel workers
• 1 Labor laws and legislation
• 1 Labor supply
• 1 Law and legislation
• 1 Management
• 1 Metal-workers
• 1 Prices
• 1 Serial publications
• 1 Sex discrimination against women
• 1 Sex discrimination in employment
• 1 Sources
• 1 Statistics

• 3 Confédération nationale de la construction (Belgium)
• 2 Bolle de Bal, Marcel
• 2 Statistical Office of the European Communities
• 1 Benelux Economic Union
• 1 Bertrand, Louis, 1856-
• 1 Confédération des syndicats chrétiens de Belgique
• 1 Confédération des syndicats chrétiens de Belgique (16 congrés : 1949 : Brussels)
• 1 Dejean, Christian
• 1 Deprimoz, Jacques
• 1 European Coal and Steel Community. High Authority
• 1 Groupement belge de la porte ouverte
• 1 Hallet, Max
• 1 Institut de sociologie Solvay
• 1 Leener, Georges de, 1879-1965
• 1 Leroy, Robert, 1931-
• 1 Mineur, Joseph
• 1 Neirynck, Michel
• 1 Office belge pour l'accroissement de la productivité
• 1 Parti socialiste belge
• 1 Université catholique de Louvain (1835-1969)
• 1 Verlinden, Charles
• 1 École pratique des hautes études (France)

• 16 French
• 3 Dutch
• 1 Danish
• 1 English
• 1 German
• 1 Italian
• 1 Multiple languages

• 1 Brabant
• 1 Flanders
• 1 Luxembourg
• 1 Netherlands

• 2 Periodicals
• 1 Belgian periodicals
• 1 Statistics
• 1 Women's periodicals, European

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