"Sindicats Gran Bretanya." . . "Syndicats." . . . . . . . "Trade unions : public goods or public \"bads\"? : economists and trade union monopoly" . . . . "Trade unions : public goods or public 'bads'" . . . . . . . . . "Trade unions: public goods or public 'bads'?" . "Trade unions : public goods or public 'bads'?" . . "Trade unions : public goods or public \"bads\" ?" . "Trade Unions: Public goods or Public 'Bads'"@en . "Trade unions public goods or public bads?"@en . . . "Conference papers and proceedings"@en . "Conference papers and proceedings" . . "Trade unions : public goods or public bads?"@en . "Trade unions : public goods or public bads?" . "Trade unions : public goods or public \"bads\"?" . "Trade Unions public goods or public \"bads\"" . . . . . . . . . . "Trade unions : public goods or public \"bads\"?#/ Lord Robbins ... [et al.] With an address by Lord Scarman"@en . . . . . "Trade unions: Public goods or public 'bads'? : Based on a seminar held in London on 2. December 1977 by the Institute of Economic Affairs" . . . . . . . . . . . . . . . . . . . . . . . . "Trade unions public goods or public \"bads\"?" . . . . . "Vakbeweging." . . "Royaume-Uni." . . "Sindacati - Gran Bretagna - Congressi - London - 1977." . . "Loonvorming." . . "Sindicats" . . "Sindicatos Gran Bretaña." . . "Syndicats Grande-Bretagne Congrès." . . "Gran Bretanya" . . "Salari - Gran Bretagna - Congressi - London - 1977." . . "Syndicats Grande-Bretagne Histoire." . . "Movimento operaio - Gran Bretagna - Congressi - London - 1977." . . "Negociacions col·lectives de treball" . . "Négociations collectives Grande-Bretagne." . . "Négociations collectives Grande-Bretagne Congrès." . . "Gewerkschaft." . . "UE/CE Etats membres." . .