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Viereck, Leslie A. ,  Little, Elbert Luther ,  [Alaska trees and shrubs] ,  Alaska trees and shrubs

López Villalba, Juan Alberto ,  Hahn, William John ,  Little, Elbert Luther ,  Ritz, George F. ,  Rombold, John S. ,  [Arboles comunes del Paraguay = Ñande yvyra mata kuera] ,  Arboles comunes del Paraguay = Ñande yvyra mata kuera

Little, Elbert Luther ,  [Forest trees of the United States and Canada, and how to identify them] ,  Forest trees of the United States and Canada, and how to identify them