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Collingwood, G.H. ,  Brush, Warren ,  [Knowing your trees] ,  Knowing your trees

Little, Elbert Luther ,  [Atlas of the United States trees. V.4: Minor eastern hardwoods] ,  Atlas of the United States trees. V.4: Minor eastern hardwoods

Little, Elbert Luther ,  [Atlas of the United States trees. V.5: Florida] ,  Atlas of the United States trees. V.5: Florida

Little, Elbert Luther ,  [Checklist of United States trees (native and naturalized)] ,  Checklist of United States trees (native and naturalized)

Little, Elbert Luther ,  [Trees of Puerto Rico and the Virgin Islands. Vol.2] ,  Trees of Puerto Rico and the Virgin Islands. Vol.2

Little, Elbert Luther ,  [Important forest trees of the United States] ,  Important forest trees of the United States