https://listings.lib.msu.edu/joetg/1990spr.pdf#page=3 | 10/27/2017 | PDF Reader | | Item is within a single large file |
https://archive.lib.msu.edu/tic/turfn/articles/199[...] | 09/30/2008 | PDF Reader | | TurfNews [ASPA] reprint |
https://listings.lib.msu.edu/grnsd/1991mayjun.pdf | 04/30/2018 | PDF Reader | | Item is within a single large file; Variant pictures; The Greenerside reprint |