7. Bulletin No. 5, Northern Nut Growers' Association, by W. G. Bixby. 2nd edition, 1920. To be had from the secretary. Price 50 cents.
8. Farmers' Bulletin No. 1392, Black Walnut Culture for both Timber and Nut Production. To be had from the Supt. of Documents, Gov. Printing Office, Washington, D. C. Price 5 cents.
9. Year Book Separate No. 1004, 1927, a brief article on northern nut growing, by C. A. Reed, to be had free from U. S. Dept. of Agriculture, Washington, D. C.
10. Filberts—G. A. Slate—Bulletin No. 588, New York State Agricultural Experiment Station, Geneva, N. Y., December, 1930.
11. Leaflet No. 84, 1932, Planting Black Walnut, W. R. Mattoon and C. A. Reed, to be had free from U. S. Dept. of Agriculture, Washington, D. C.
12. Harvesting and Marketing the Native Nut Crops of the North, by C. A. Reed, 1932, mimeographed bulletin, to be had free from U. S. Dept. of Agriculture, Washington, D. C.
13. Dealers in Black Walnut Kernels, mimeographed bulletin by C. A. Reed, 1931, to be had free from U. S. Dept. of Agriculture, Washington, D. C.
14. Eastern Nursery Catalogues Listing Nut Trees, mimeographed leaflet to be had free from U. S. Dept. of Agriculture, Washington, D. C.
15. Twenty Years Progress in Northern Nut Culture. A 48-page booklet of valuable information and instruction by John W. Hershey. Nuticulturist, Downingtown, Penna. Price 25 cents.
16. Files of The American Nut Journal, to be had from the publishers, American Nurseryman Publishing Co., 39 State St., Rochester, N. Y.