Annual report of the : Postmaster-General of the United States for the fiscal year ended june 30, 1883
Programa do concurso para a promoção de auxiliar de tráfego de 1.ª Classe : (Grupo 32) / Administração Geral dos Correios, Telégrafos e Telefones
Annual report of the : Postmaster-General of the United States for the fiscal year ended june 30, 1896