Michael A. Dirr

• The reference manual of woody plant propagation
• Photographic Manual of Woody Landscape Plants
• Reference Manual of Woody Plant Propagation
• Dirr's Encyclopedia of Trees and Shrubs
• Manual of Woody Landscape Plants (Their Identification, Ornamental Characters, Culture, Propagation and Uses)
• All about evergreens
• Dirr's Encyclopedia of Trees and Shrubs
• Dirr's Trees and Shrubs for Warm Climates
• Hydrangeas for American Gardens
• Manual of woody landscape plants
• Creative Home Landscaping
• Interactive Manual and Photo-Library of Woody Landscape Plants