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Roy, Andrew A History Of The Coal Miners Of The United States, From The Development Of The Mines To The Close Of The Anthracite Strike Of 1902
Roy, Andrew A History Of The Coal Miners Of The United States, From The Development Of The Mines To The Close Of The Anthracite Strike Of 1902
Seaton, Roy Andrew Concrete Construction for Rural Communities
Seaton, Roy Andrew Concrete Construction for Rural Communities
Andrews, Roy Chapman 1884-1960 The New Conquest of Central Asia: a Narrative of the Explorations of the Central Asiatic Expeditions in Mongolia and China, 1921-1930
Andrews, Roy Chapman 1884-1960 The New Conquest of Central Asia: a Narrative of the Explorations of the Central Asiatic Expeditions in Mongolia and China, 1921-1930
Seaton, Roy Andrew