American orchid Society Awards Quarterly v. 27

American orchid Society Awards Quarterly v. 28

American orchid Society Awards Quarterly v.25

Fine Gardening Jan/Feb 1992

Fine Gardening July/August 1991

Fine Gardening November/December 1991

Home Orchid Growing

Micropropagation of Orchids

Novelty Slipper Orchids Breeding and Cultivating Paphiopedilum Hybrids

Orchid Seedling Care

The Orchid Digest

The Paphiopedilum Grower's Manual