Neglected Northern Pecans. Dr. J. Russell Smith, University of Pennsylvania. Country Gentleman, January 9, 1915.
Riehl Fun for Nuts. Dr. J. Russell Smith, University of Pennsylvania. Country Gentleman, October 9, 1915.
A Georgia Tree Farmer. Dr. J. Russell Smith, University of Pennsylvania. Country Gentleman, December 4, 1915.
Shade Trees that Bear Nuts. Dr. J. Russell Smith, University of Pennsylvania. Country Gentleman, January 7, 1916.
Grafting Nut Trees. Dr. J. Russell Smith, University of Pennsylvania. Country Gentleman, January 28, 1916.
FOOTNOTES
[1] Bulletin No. 231 by Prof. Ralph E. Smith of the University of California, is authority for this history of walnut introduction into that state.
[2] G. Harold Powell, Bull. XLII, Delaware Agricultural Experiment Station, 1898.
[3] Paper No. 21, Citrus Experiment Station, College of Agriculture, University of California, Riverside, California.