| What turf grass certification means to growers
| Martin, Jack. 1957. Proceedings of University of Florida Turf Management Conference. 5: p. 30.
| More | 97340 |
| What turf grass certification means to the public
| Jones, Ralph F. 1957. Proceedings of University of Florida Turf Management Conference. 5: p. 31-32.
| More | 97341 |
| What turf grass certification means to the state plant board
| Condo, Jesse. 1957. Proceedings of University of Florida Turf Management Conference. 5: p. 33-35.
| More | 97342 |