P. deJager & Sons, 1946 – 1970, Holland
This firm was established in the 1800s by Peter de Jager. After Guy Wilson’s death in 1962, this firm acquired Mr. Wilson’s stocks. For several years they issued a separate catalog of Mr. Wilson’s stocks, but beginning in 1967 included them in the deJager catalog.
P. deJager & Sons, 1946
P. deJager & Sons, 1948
P. deJager & Sons, 1949
P. deJager & Sons Co. Inc., 1950
P. deJager & Sons, 1951
P. deJager & Sons, 1952
P. deJager & Sons, 1953
P. deJager & Sons, 1954
P. deJager & Sons. 1955
P. deJager & Sons, 1956
P. deJager & Sons, 1957
P. deJager & Sons, 1958
P. deJager & Sons, 1959
P. deJager & Sons, 1960
P. deJager & Sons, 1961
P. deJager & Sons, 1963
P. deJager & Sons. 1964
P. deJager & Sons, 1965
P. deJager & Sons, 1966
P. deJager & Sons, 1967
P. deJager & Sons, 1968
P. deJager & Sons, 1969 with Supplemental Price List of G.L. Wilson cultivars.
P.deJager and Sons, Inc. 1970