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1
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622.334 P871hi : Powell, William Earl,
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622.334 Un3p, 1914 : United Mine Workers of America.
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622.335 W256m 1951 : Warriner, Jesse B.
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622.335074 Au62a, 2002 : Aurand, Harold W.
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622.3381 H364s 2013 : Heinberg, Richard,
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622.3382 H731o 1944 : Holman, Eugene,
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622.34 J75r : Joralemon, Ira Beaman,
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622.342 B581r : Blake, William P.
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1881
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1
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622.343 G463w : Glasscock, Carl B.
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1
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622.343 G463w 1935 : Glasscock, Carl B.
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622.343065 M333a 1957 : Marcosson, Isaac Frederick,
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622.3440976 Sn32p 1912 : Snider, Luther C.
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622.3452 C273t 1955 : Cassidy, William James.
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622.3452 L436r : Lawrence, H. M.
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