P. deJager & Sons, Holland, and South Hamilton, MA, USA, 1971 – 1993
P. DeJager and Sons, Inc. 1971
P. deJager & Sons, 1972
P. deJager & Sons, 1973
P. deJager & Sons, 1974
P. deJager & Sons, 1975
P. deJager & Sons, 1976
P. deJager & Sons, 1977
DeJager Bulbs, Inc, 1978
P. deJager & Sons, 1979
DeJager Bulbs, Inc. 1980
P. deJager & Sons, 1981
deJager Bulbs, Inc. 1982
P. deJager and Sons, Inc. 1983
P. DeJager & Sons, 1984
Peter deJager Bulb Co. Fall 1984 list
Peter deJager Bulb Co. 1985
P. deJager & Sons, 1988
Peter deJager Bulb Co. 1989
Peter deJager Bulb Co. 1990
P. deJager & Sons, 1991
P. deJager & Sons, 1992
P. deJager & Sons, 1993