| 1. Manurial trials
| Walker, C. [1957]. The Seventh Report on Greenkeeping Research [New Zealand]. p. 8-52.
| More | 207945 |
| 2. Weed control
| Walker, C. [1957]. The Seventh Report on Greenkeeping Research [New Zealand]. p. 52-60.
| More | 207947 |
| 3. Soil acidity and soil conditioning
| Walker, C. [1957]. The Seventh Report on Greenkeeping Research [New Zealand]. p. 60-63.
| More | 207948 |
| [4.] Fine turf rate of seeding
| Walker, C. [1957]. The Seventh Report on Greenkeeping Research [New Zealand]. p. 63-64.
| More | 207949 |
| 5. Sundry trials
| Walker, C. [1957]. The Seventh Report on Greenkeeping Research [New Zealand]. p. 64-67.
| More | 207950 |
| 7. Care and maintenance of weed greens
| Walker, C.; Stockdill, S. M. J. [1957]. The Seventh Report on Greenkeeping Research [New Zealand]. p. 75-80.
| More | 207952 |