1
Periodiciteit: twee maal per maand
Date 1977-
“...International Ladies' Garment Workers Union (ILGWU)...”
periodiek
2
Bibliotheek Camille Huysmans By Huysmans, Camille
Date 1943
“...General Jewish Workers' Union of Poland...”Date 1943
brochure
3
Date 1948
“...Transport and General Workers' Union...”
brochure
4
Date 1915
“...The Workers' Union...”
monografie
5
Periodiciteit : jaarlijks
Date 1915-1917
“...The Workers' Union...”
periodiek