X Pan American Railway Congress. Invitations, rules, list of subjects, organizing committee, tentative program. Rio de Janeiro, São Paulo, Brasília, 12th to the 27th October, 1960

Eitemau Tebyg

• X Pan American Railway Congress. Invitations, rules, list of subjects, organizing committee, tentative program. Rio de Janeiro, São Paulo, Brasília, 12th to the 27th October, 1960
  Cyhoeddwyd: (1960)
• IX Pan American Railway Congress, Buenos Aires, 30th August-13th September 1957. Invitations, rules, lists of subjects, organizing committee, officers, relators
  Cyhoeddwyd: (1957)
• X [i.e. Decimo] Congresso Pan-americano de Estradas de Ferro. Convites, regulamento, temário, programa, comissão organizadora. Rio de Janeiro, São Paulo, Brasília, 12/27 Outubro de 1960
  Cyhoeddwyd: (1960)
• IX Pan American Railway Congress, August 30-September 13, 1957. Organizing Committee. Agenda
  Cyhoeddwyd: (1957)
• X [i.e. Decimo] Congresso Panamericano de Estradas de Ferro, Rio de Janeiro, São Paulo, Brasília, 12/27 Outubro 1960. Boletim informativo
  Cyhoeddwyd: (1960)