Series

Royal Horticultural Society, Sander's List of Orchid Hybrids.

Series volumes

1. Royal Horticultural Society, 1972. 10 Year Addendum 1961-1970: lxiv, 632 pp..
2. Royal Horticultural Society, 1977. Addendum 1971-1975, 1 May 1977.
3. Royal Horticultural Society. Addendum 1976-1980: 567 pp..
4. Royal Horticultural Society. 5 Year Addendum 1981-1985: 802 pp..
5. Royal Horticultural Society, 1999. 3 Year Addendum 1996-1998, 1 May 1999.
6. Royal Horticultural Society. 3 Year Addendum 1999-2001.
7. Shaw, J.M.H., 2005. 3 Year Addendum 2002-2004, 20 May 2005.
8. . 3 Year Addendum 2005-2007.
9. . 3 Year Addendum 2008-2010.
10. Shaw, J.M.H., 2014. 3 Year Addendum 2011-2013, 22 Apr 2014.