https://listings.lib.msu.edu/nwtgc/1995.pdf#page=56 | 06/01/2017 | PDF Reader | | Item is within a single large file |
https://listings.lib.msu.edu/nwtgt/1996spr.pdf#page=14 | 06/01/2017 | PDF Reader | | Item is within a single large file; Northwest Turfgrass Topics reprint |
http://puyallup.wsu.edu/turf/soil-fields/ | 06/07/2017 | | | WSU Puyallup Turfgrass Science reprint |