Tropical Slipper Orchids: Paphiopedilum and Phragmipedium Species and Hybrids
The Paphiopedilum Grower's Manual, rev. 2nd ed.
Gift Trenz Orchid Paphiopedilum Spicerianum Magnetic Bookmark
Paphiopedilum: A Monograph of All Tropical and Subtropical Asiatic Slipper-Orchids
Paphiopedilum in Taiwan IV
Understanding Orchids: An Uncomplicated Guide to Growing the World's Most Exotic Plants
Complete Guide to Orchids (Ortho Books)