1. Alban, E. K. and V. E. Keirns. 1948. Pre-emergence and post-emergence weed control in vegetable crops with 2,4-D and oil. Proc. Amer. Soc. Hort. Sci. 51: 526–532.
2. Aries, Robert S. 1946. Lignin as a fertilizer material. Paper Trade J. 123 (21): 47–51.
3. Atkinson, H. J., L. M. Patry and R. Levick. 1948. Plant tissue testing III. Effect of fertilizer applications. Sci. Agr. 28: 223–228.
4. Baird, E. and J. L. Howatt. 1948. Ascorbic acid in potatoes grown in New Brunswick. Can. J. Research 26C: 433–444.
5. Baker, L. C, T. L. Parkinson and P. M. Knight. 1948. Vitamin content of potatoes grown on reclaimed land. II. Potatoes grown in 1946. Jour. Soc. Chem. Ind. (London) 67: 118–120.