Harry Mays

year of pub­li­ca­ti­onISBNauthor(s)title
1998978-0-9534004-0-9Bruce BayerHaworthia Update: v. 2: Essays on Haworthia
2001978-0-9534004-1-6Harry MaysDirectory of Plants 1958-2001: Distributed by International Succulent Introductions with Alphabetical Index
2002978-0-9534004-2-3Ingo BreuerAlsterworthia International: Special Issue No. I: An Haworthia Species Concept Update
2003978-0-9534004-3-0Lesley MilicichBulbinella in New Zealand
2004978-0-9534004-8-5Harry MaysNew Haworthia Species/Combinations Published Subsequent to 'Haworthia Revisited': Pt. 1