'... the Society has agreed to publish, from time to time, a list of all registrations accepted after December 31st, 1960. In order to maintain continuity, the title "Sander's List of Orchid Hybrids" is retained' - Introduction.
OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
Sander's list of orchid hybrids. Addendum 1971-1975 : containing the names and parentage of all orchid hybrids registered from 1st January 1971 to 31st December 1975 by Messrs David Sander's Orchids Ltd.. ISBN 0900629851. Published by Messrs David Sander's Orchids Ltd. in 1977. Publication and catalogue information, links to buy online and reader comments.
