Sweet Pea Bibliography
Author : Unwin, Chas W J
Title : Sweet Peas, Their Culture in a Nutshell
Publisher :
Date : 1950(revised)
Editions :
Size : 183 x 122 mm
Pages : 16, blue card covers
Description
I don't know when this first appeared, but it was during the period when J. C. P. M. Davis was President of the NSPS, so not before 1947.