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1“…Irish section of the Fourth International…”
Date 1975
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2Bibliotheek François Vercammen“…Fourth International…”
Date 1993
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3“…International Committee of the Fourth International…”
Date 1964-1967
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4Archief 'Belgische afdeling van de Vierde Internationale' Motto: Workers of the world - Unite!“…International Executve Committee of the Fourth International…”
Date 1958-1964
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5Redactie: J. Kavanagh / A.B. Thistlethwayte (all correspondence to) Thrupp Street 1, Neutral Bay, Sydney Drukkerij: G.W. Tollner, Mann Street, ...“…Revolutionary Workers Party (RWP)(Fourth International)…”
Date 1946
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6Eerste nr.: nulnummer 28 jan 1982“…United Secretariat of the Fourth International…”
Date 1982-2002
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7Archief 'Belgische afdeling van de Vierde Internationale' Administratie: Plough Book Service, top floor Mary Street 2, Dublin 1 ...“…Irish section of the Fourth International…”
Date 1974
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8Periodiciteit: tweemaandelijks“…The African Commission of the Fourth International…”
Date 1964-1965