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By: Cameron, Donald Roderick,Edition:Publication info: Toronto, C.B. Robinson, [1890?]Volume:Series:Holding Institution: Canadiana.orgSubjects: Air mail service Canada Homing pigeonsBHL Collections:
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By: Gladstone, Hugh S. (Hugh Steuart),Edition:Publication info: [London, England], Skeffington & Son, 1919Volume:Series:Holding Institution: Smithsonian Libraries and ArchivesSubjects: Homing pigeons Pigeons World War, 1914-1918BHL Collections:
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By: United States. Congress. House. Committee on Interstate and Foreign Commerce.Edition:Publication info: Washington, Govt. print. off, 1910Volume:Series:Holding Institution: Library of CongressSubjects: Homing pigeonsBHL Collections: