Paphiopedilum Oenanthum, October 1976, roll 197610P1 slide 1
Paphiopedilum Ohelohelo, December 1969, roll 196912H6 slide 17
Paphiopedilum Ohelohelo, December 1969, roll 196912H6 slide 21
Paphiopedilum Orchilla 'Chilton' FCC/RHS, Program 2 slide 30, December 1974, roll 197412H12 slide 4
Paphiopedilum Orchilla 'Chilton', December 1974, roll 197412H12 slide 3