List of Books on Rhododendrons and Azaleas
Available at the Library of the University of Washington Arboretum
| RHODODENDRONS by J. G. Millais; Longmans, Green and Company, London, (1917) |
| THE RHODODENDRON HANDBOOK, The Royal Horticultural Society, London, (1947 and 1952) |
| THE SPECIES OF RHODODENDRONS, 2nd ed., The Rhododendron Society, T. and A. Constable Ltd., University Press, Edinburgh, (1947) |
| RHODODENDRONS by F. Kingdon Ward, Latimer House Ltd., London, (1949) |
| RHODODENDRONS AND AZALEAS, THEIR ORIGINS, CULTIVATION AND DEVELOPMENT by Clement Gray Bowers, The Macmillan Company, New York, (1936) |
| THE RHODODENDRON LEAF by J. M. Cowan, Oliver and Boyd, Edinburgh and London, (1950) |
| RHODODENDRON YEARBOOK, The American Rhododendron Society, Binfords and Mort, Portland, (1945-49) |
| RHODODENDRON YEAR BOOK, The Royal Horticultural Society, London, Annually, (1946-53) |
| AZALEAS, A MONOGRAPH by Ernest Henry Wilson and Alfred Rehder; The University Press, Cambridge, (1921) |
| AZALEA HANDBOOK, American Horticultural Society, (1952) |
| AZALEAS, KINDS AND CULTURE by H. Harold Hume, Macmillan Company, New York, (1948) |