History of slipper orchids in cultivation
Biology and classification of slipper orchids
Cites and slipper orchids
Cultivation
Selecting plants for a collection
Hybridization and breeding
Paphiopedilum species: Barbatum alliance
Paphiopedilum species: Insigne alliance
Paphiopedilum species: Parvisepalum alliance
Paphiopedilum species: multiflorals
Paphiopedilum species: Brachypetalum alliance
Phragmipedium and Mexipedium species
Five important species for breeding
Introduction to the standard-complex hybrids
Standard-complex hybrids: greens, yellows, and fall tones
Standard-complex hybrids: reds and spots
Standard-complex hybrids: whites and pinks
Standard-complex hybrids: mini paphs
Maudiae-type hybrids
Parvisepalum hybrids
Multifloral hybrids
Brachypetalum hybrids
Phragmipedium hybrids.
Tropical slipper orchids : Paphiopedilum and Phragmipedium species and hybrids by Harold Koopowitz. ISBN 9780881928648. Published by Timber in 2008. Publication and catalogue information, links to buy online and reader comments.