1. Beakbane, A.B., Thompson, E. C., andTydeman, H.M. (1941). Preliminary selection of apple rootstocks immune from woolly aphis based upon certain anatomical differences in root structure.Rep. E. Mailing Res. Sta. for 1940, 32–6.
2. Furneaux, B. S. i'1954). The soils of East Mailing Research Station.Rep. E. Mailing Res. Sta. for 1953, 60–82.
3. Parky, M. S. (1965). Field trials of Malling-Merton rootstocks.Rep. E. Mailing Res. Sta. for 1964, 91–6.
4. Pearce, S. C. (1947). The measurement of fruit crops by sampling.Rep. E. Mailing Res. Sta. for 1946, 77–82.
5. Posnette, A. F., and Cropley, R. (1954). Distribution of rubbery wood virus in apple varieties and rootstocks.Rep. E. Mailing Res. Sta. for 1953, 150–3.