Description based on: Anno 1, num. 3 (5 de dez. de 1903); title from caption.
Latest issue consulted: [Ser.2], anno 1, no. 8 (22 de nov. de 1906).
Filmed with other periodicals.
Microfilm. Leiden, The Netherlands : IDC Publishers, 1999. 1 microfilm reel ; 35 mm. (Latin American anarchist and labour periodicals, 1880-1940 ; reel 67)
Portuguese, Italian and Spanish.
Issued by: União dos Chapeleiros, <May 1904->; Secretariado Nacional dos Chapeleiros no Brasil, <July 1905->