Tropical Slipper Orchids: Paphiopedilum and Phragmipedium Species and Hybrids 9780881928648 | eBay
When it comes to the pink lady's slipper, there's more than meets the eye - The Boston Globe
How to grow lady slipper orchids | Triangle Gardener Magazine
Tropical Slipper Orchids: Paphiopedilum and Phragmipedium Species and Hybrids by Koopowitz, Harold: Near Fine Hardcover (2008) 1st Edition | Erlandson Books
Ultimate Guide to Lady's Slipper Orchids (Cypripedioideae) - Petal Republic
Tropical Lady's Slipper Orchids - Easy and Rewarding - Garden.org