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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  |