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Soil Defense in the Northeast

Blanche HalbertCharles Abel BennettCharles James WhitfieldClaude Kedzie SheddClaude L. HamiltonE. M. RowaltGeorge StewartGlenn Kenton RuleHans G. JepsonJames Allen BealJames Robert McCalmontJames Wiley ChristieK. F. WarnerKarl S. QuisenberryLafayette Charles CareyMax Manley HooverMerle T. JenkinsNicholas Aloysius KesslerR. T. CottonRoland McKeeSamuel Cecil SalmonThomas William HeitzWilliam Sylva GochenourEdgar Vermont CollinsHarry August SchothJacob Allen ClarkJohn Albright PerrinJohn Walter TaylorRudger Harper WalkerThomas Laffin BaggetteFrancis Leo GerdesRaymond Price

出版	U.S. Department of Agriculture, 1938
URL	http://books.google.com.hk/books?id=kNZY0AEACAAJ&hl=&source=gbs_api