3. Bernath, Stephen—Propagating Nut Trees under Glass. Rept. North. Nut Grow. Assoc. 37:90. 1946
4. Chase, Spencer B.—Black Walnut Nursery Studies. Rept. North. Nut Grow. Assoc. 37:40-41. 1946
5. Chase, Spencer B.—Eastern Black Walnut Germination and Seedbed Studies. Jour. For. 45:661-668. 1947
6. Chase, Spencer B.—Budding and Grafting Eastern Black Walnut. Proc. Amer. Soc. Hort. Sci. 38:175-180. 1947
7. Gellatly, J. U.—Notes on Nuts and New Combinations of Old Principles. Rept. North. Nut Grow. Assoc. 29:115-120. 1938
8. Hardy, Max B.—The Propagation of Chinese Chestnuts. Rept. North. Nut Grow. Assoc. 40:121-126. 1949
9. Joley, Lloyd E.—Personal Correspondence. July, 1951
10. Lounsberry, C. C.—Bench Grafting of Black Walnuts. Rept. North. Nut Grow. Assoc. 28:60. 1937
11 MacDaniels, L. H.—Some Experiences in Nut Tree Grafting at Ithaca, New York. Rept. North. Nut Grow. Assoc. 28:52. 1937
12. McKay, J. W.—Results of a Chinese Chestnut Rootstock Experiment. Rept. North. Nut Grow. Assoc. 38:83-84. 1947