| https://www.turfandrec.com/agronomy/grass-not-a-fo[...] | 03/14/2019 | | | |
| http://magazine.turfandrec.com/publication/?i=5497[...] | 03/14/2019 | JavaScript | | Item is within a single large file |
| https://cdn.coverstand.com/43710/549767/771adc1997[...] | 03/14/2019 | PDF Reader | | Item is within a single large file |
| http://magazine.turfandrec.com/publication/?i=5497[...] | 03/14/2019 | | | Pictures absent |
| https://issuu.com/igdesignpublishing/docs/tl2002-i[...] | 02/28/2020 | JavaScript | | Item is within a single large file; The Turf Line News reprint; Variant author "Michael Brownbridge"; Variant title, "Grass is not a foe, but an ally of the environment"; Variant pictures |
| http://wcta-online.com/turfgrass-research/2605-gra[...] | 02/28/2020 | | | The Turf Line News reprint; Variant author "Michael Brownbridge"; Variant title, "Grass is not a foe, but an ally of the environment"; Variant pictures |
