Black, W.M., Dan Neely, and James Matteoni. 1977. How to identify and control leaf spot diseases of black walnut. 5 p.U.S. Department of Agriculture Forest Service, North Central Forest Experiment Station, St. Paul, Minnesota.

Bey, Calvin F. 1976. How to "train" black walnut seedlings. (Rev.) 4 p. U.S. Department of Agriculture Forest Service, North Central Forest Experiment Station, St. Paul, Minnesota.

Bey, Calvin F., and Robert D. Williams. 1976. Weed control in black walnut plantations. U.S. Department of Agriculture Forest Service, Research Note NC-203, 4 p. U.S. Department of Agriculture Forest Service, North Central Forest Experiment Station, St. Paul, Minnesota.

Bey, Calvin F., John E. Krajicek, Robert D. Williams, and Robert E. Phares. 1975. Weed control in hardwood plantations. In Herbicides in forestry Proceedings. p. 69-84. John S. Wright Forestry Conference, Purdue University, West Lafayette, Indiana.

Callahan, John C., and Robert P. Smith. 1974. An economic analysis of black walnut plantation enterprises. Purdue University Resource Bulletin 912, 20 p. West Lafayette, Indiana.

Carmean, Willard H., F. Bryan Clark, Robert D. Williams, and Peter R. Hannah. 1976. Hardwoods planted in old fields favored by prior tree cover. U.S. Department of Agriculture Forest Service, Research Paper NC-134, 16 p. U.S. Department of Agriculture Forest Service, North Central Forest Experiment Station, St. Paul, Minnesota.

Clark, F. Bryan. 1976. Planting black walnut for timber. (Rev.) Leaflet 487, 10 p. U.S. Department of Agriculture Forest Service.

Dillow, Martha K. 1975. Bibliography of walnut - supplement no. 2. U.S. Department of Agriculture Forest Service, North Central Forest Experiment Station, St. Paul, Minnesota.

Farris, Marion, and James E. Appleby. 1978. How to identify and control the walnut caterpillar. 4 p. U.S. Department of Agriculture Forest Service, North Central Forest Experiment Station, St. Paul, Minnesota.

Hoffard, William H., Eldon L. Heflin, and Robert L. Anderson. 1977. Economic impact of defects in Missouri-grown black walnut. U.S. Department of Agriculture Forest Service. Forest Insect and Disease Management Impact Survey D-19-77, 3 p.

Schlesinger, Richard C., and Calvin F. Bey. 1978. Natural improvement in black walnut stem form. Central Hardwood Forestry Conference Proceedings II, p.389-400. Purdue University, West Lafayette, Indiana.

Schlesinger, Richard C., and David T. Funk. 1977. Manager's handbook for black walnut. U.S. Department of Agriculture Forest Service, General Technical Report NC-38, 22 p. U.S. Department of Agriculture Forest Service, North Central Forest Experiment Station, St. Paul, Minnesota.

Shigo, Alex L., Nelson F. Rogers, E. Allen McGinnes, Jr., and David T. Funk. 1978. Black walnut on Kansas strip mine spoils: some observations 25 years after pruning. U.S. Department of Agriculture Forest Service, Research Paper NE-393, 14 p. U.S. Department of Agriculture Forest Service, Northeastern Forest Experiment Station, Broomall, Pennsylvania.

U.S. Department of Agriculture, Forest Service. 1971. Unclaimed profits in black walnut. 4 p. U.S. Department of Agriculture Forest Service, North Central Forest Experiment Station, St. Paul, Minnesota.

U.S. Department of Agriculture, Forest Service. 1973. Black walnut as a crop. U.S. Department of Agriculture Forest Service, General Technical Report NC-4, 114 p. U.S. Department of Agriculture Forest Service, North Central Forest Experiment Station, St. Paul, Minnesota.

Williams, Robert D. 1974. Planting methods and treatments for black walnut seedlings. U.S. Department of Agriculture Forest Service, Research Paper NC-107,6 p. U.S. Department of Agriculture Forest Service, North Central Forest Experiment Station, St. Paul, Minnesota.

Williams, Robert D., David T. Funk, and Rodney Nielson. 1977. Squirrels, direct seeding walnuts, repellents. Southern Lumberman 235(2920): 89-91.