- Rhododendrons and Azaleas by Mervyn Kessell, 1982-03
- The Rhododendron Species: Azaleas by H. H. Davidian, 2003-01-01
- Rhododendrons & Azaleas: A Colour Guide by Kenneth Cox, 2005-11-01
- The Illustrated Rhododendron: Their Classification Portrayed Through the Artwork of Curtis's Botanical Magazine by Pat Halliday, 2001-06-01
- Fungi on Rhododendron: A World Reference by David F. Farr, H. Bartolome Esteban, et all 1996-04
- Compendium of Rhododendron and Azalea Diseases (Disease Compendium Series of the American Phytopathological Society) by Duane L. Coyier, Martha K. Roane, 1986-09-15
- Greer's Guidebook to Available Rhododendrons by Harold E. Greer, 1995-05
- Rhododendrons of the World (Rhododendrons of the World Tsp) by David G. Leach, 1961-01
- Illustrated Rhododendron by Pat Halliday, 2000-01-15
- The Pacific Coast Rhododendron Story
- The Rhododendron [Serial] (1946) by Appalachian State University, 2010-07-24
- Handy Book of Ornamental Conifers and of Rhododendrons and Other American Flowering Shrubs Suitable for the Climate and Soils of Britain by Hugh Fraser, 2010-01-11
- The Rhododendron and "American Plants".: A Treatise On the Culture, Propagation, and Species of the Rhododendron; with Cultural Notes Upon Other Plants ... and Varieties; with a Chapter Upon Herba by Edward Sprague Rand, 2009-12-31
- Rhododendron Story: 200 Years of Plant Hunting and Garden Cultivation
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