Leicester : Silverdale Books, 2004

Poole, [England] : Blandford Press, 1976

New York, N.Y. : Facts on File Publications, 1987

Portland, Or. : Published in cooperation with the Royal Boskoop Horticultural Society by Timber Press, 1997
Repr. 1997, with corrections on p. 335 of v. 1.

Sydney, Australia : UNSW Press, 1996

New York : Van Nostrand Reinhold Co., 1983

Dordrecht ; Boston : Kluwer Academic Publishers, 1991

Wisbech : Floraprint, 1989

The Hague ; Boston : Hingham, MA, USA : M. Nijhoff ; Distributors for the U.S. and Canada, Kluwer Boston, 1982
3rd ed.

Edison, NJ : Chartwell Books, 1994

Deer Park, Wis. : Capability's Books, 1994
2nd ed., rev. and expanded.

Willowdale, Ont. : Firefly Books, 2002
1st ed.

Portland, Or. : Published in cooperation with Royal Boskoop Horticultural Society by Timber Press, 1986

Portland, Or. : Published in cooperation with the Royal Boskoop Horticultural Society by Timber Press, 1996

Portland, Or. : Published in cooperation with Royal Boskoop Horticultural Society by Timber Press, 1989
2nd ed.

Eatonville, WA : Coenosium Press, 2011

New York : Scribner, 1975

The Hague : M. Nijhoff, 1965

Minsk : Ėdit VV, 2007