Aos obreiros affiliados á Confédération Générale du Travail /
General Federation of Trade Unions,author.
Great Britain.Ministry of Information,former owner.StEdNL
Dated at end: 18 de Dezembro de 1917.
Caption title.
Text in Portuguese, translated from the English.
Wellington House collection. Number 132 in the Portuguese schedule (corresponds to number 779 in the English schedule).