https://conservancy.umn.edu/items/c0939dcd-5095-418e-8a39-1b103cb0a4d1
Minnesota Nurserymen's Newsletter, vol.7:no.3/4 (1959:Mar./Apr.)
https://api.parliament.uk/historic-hansard/written-answers/1947/may/19/nurserymen-import-licences
Nurserymen (Import Licences) (Hansard, 19 May 1947)
Nurserymen (Import Licences) (Hansard, 19 May 1947)
nurserymenimportlicenceshansardmay
https://conservancy.umn.edu/items/b2b4bd9a-cdd1-4a70-8055-528e4e679ed0
Minnesota Nurserymen's Newsletter, vol.1:no 7 and 8 (1954:Jul./Aug.)
https://www.sil.si.edu/SILPublications/seeds/bios.html
Biographies of American Seedsmen and Nurserymen
biographiesamericannurserymen
https://lists.ibiblio.org/sympa/arc/nafex/2013-01/msg00170.html
nafex - Re: [nafex] John Parkinson on nurserymen - arc
john parkinsonnafexnurserymenarc