(AUOD), A. U. d. O. D. 496/4.3.1/00150: Correspondance passive. World Federation of Trade Unions. General Federation of Jewish Labour (Palestine). Diamond Workers Protective Union (New York). Union des industriels du Jura. Divers.
Dyfyniad Arddull Chicago(AUOD), Alliance Universelle des Ouvriers Diamantaires. 496/4.3.1/00150: Correspondance Passive. World Federation of Trade Unions. General Federation of Jewish Labour (Palestine). Diamond Workers Protective Union (New York). Union Des Industriels Du Jura. Divers.
Dyfyniad MLA(AUOD), Alliance Universelle des Ouvriers Diamantaires. 496/4.3.1/00150: Correspondance Passive. World Federation of Trade Unions. General Federation of Jewish Labour (Palestine). Diamond Workers Protective Union (New York). Union Des Industriels Du Jura. Divers.