Paphiopedilum chamberlainianum 'Excellence', Program 2 slide 3, May 1977, roll 197705H2black70 slide 18. Species described in 1892.
Paphiopedilum chamberlainianum 'Howard', February 1970, roll 197002H6 slide 18. Species described in 1892.
Paphiopedilum chamberlainianum liemianum, October 1970, roll 197010H4 slide 17. Species described in 1892, this form split out in 1982 as Paph. liemianum.
Paphiopedilum chamberlainianum 'Real McCoy', October 1970, roll 197010H3 slide 8. Species described in 1892.
Paphiopedilum chamberlainianum var. chamberlainianum or var. latifolium, December 1978, roll 197812H5 slide 12. Species described in 1892.
Paphiopedilum chamberlainianum, [in gray plastic slide holder manufactured in Italy], no date on slide. Species described in 1892.
Paphiopedilum chamberlainianum, May 1977, roll 197705H2black70 slide 19. Species described in 1892.
Paphiopedilum chamberlainianum, photograph of the color plate in Dictionnaire Iconographique des Orchidées, published in March 1900, plate Cypripedium 28, slide made in December 1967, roll 196712H5 slide 13. Species described in 1892.
![Paphiopedilum chamberlainianum, [in gray plastic slide holder manufactured in Italy], no date on slide. Species described in 1892.](images/NODATE_UNIQUE_125_PaphiopedilumChamberlainianumItalianSlideHolder.jpg)
![Paphiopedilum chamberlainianum, [in gray plastic slide holder manufactured in Italy], no date on slide. Species described in 1892.](images/NODATE_UNIQUE_128_PaphiopedilumChamberlainianumItalianSlideHolder.jpg)
