Davidson, J. Brownlee (Jay Brownlee), 1880-, Chase, Leon Wilson
Orange Judd, Kegan Paul, Trench, Trubner
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Bainer, Roy, 1902-, Kepner, Robert Allen, 1915-, Barger, E. L. (Edgar Lee)
Wiley
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Bond, J. R. (James Ryding), Russell, Edward J. (Edward John), Sir, 1872-1965
Benn
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Smith, Harris Pearson, 1891-
Toronto : London : McGraw-Hill
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Stone, Archie Augustus, 1893-
Wiley, Chapman & Hall
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Cook, G. C., Scranton, L. L., McColly, H. F.
Interstate
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Bainer, Roy, 1902-, Kepner, Robert Allen, 1915-, Barger, E. L. (Edgar Lee)
Wiley
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Stone, Archie Augustus, 1893-, Gulvin, Harold E.
Wiley
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Jones, Fred R.
McGraw-Hill
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Bushuyev, N., Alezeyev, G., Plaskin, V
Peace Publishers
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Culpin, Claude
C. Lockwood
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Hine, Howard Jordon.
Odhams Press
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