TreesAreGood.com – Benefits of Trees
Landscape Architectural Graphic Standards, Student Edition Ramsey/Sleeper Architectural Graphic Standards Series) [Paperback].
Architectural Detail sketches of proper tree planting, construction of growing spaces, soil protection from compaction, rooftop planting, siting of trees, protection of existing trees, etc.
Manual of Woody Landscape Plants: Their Identification, Ornamental Characteristics, Culture Propagation and Uses , Sixth Edition Michael A. Dirr
If you only buy one book about woody plants, this is the one.