1972
1973
1976
1977
1978
1979
1980
1981
1982
1983
1984 – 1985
1986
1987
1988
1989
1990
1991
1993
2000
2005
1996
1997
June 10 1930
Sanford, A.F.
June 12 1930
Kammerer, E. Lowell
June 17 1930
June 23 1930
The Morton Arboretum
June 25 1930
July 16 1930
September 16 1930
October 16 1930
October 21 1930
![1930/06/12: E. Lowell Kammerer to Sir [A.F. Sanford]](https://acorn.mortonarb.org/admin/media/morton/images/2/6/8/43482_ca_object_representations_media_26876_medium.jpg)
![1930/06/17:Secretary to Founder [of The Morton Arboretum] to A.F. Sandford](https://acorn.mortonarb.org/admin/media/morton/images/2/6/8/94199_ca_object_representations_media_26878_medium.jpg)
![1930/06/17: Secretary to Founder [Morton Arboretum] to A.F. Sandford](https://acorn.mortonarb.org/admin/media/morton/images/2/6/8/83542_ca_object_representations_media_26882_medium.jpg)
![1930/06/23: [Staff of Morton Arboretum] to A.F. Sanford](https://acorn.mortonarb.org/admin/media/morton/images/2/6/8/45782_ca_object_representations_media_26884_medium.jpg)
