Environmental | ornamental | | Walters, S. M. et al., eds. 1986-2000. European garden flora. |
Environmental | shade/shelter | | Little, E. L., Jr. 1978. Important forest trees of the United States |
Human food | nut | | Elias, T.S. 1980. The complete trees of North America: a field guide and natural history. 269. Note: Van Nostrand Reinhold Company, New York. |
Materials | abrasive | | Michler, C. H. et al. 2007. Chapter 6. Black Walnut. Genome mapping and molecular breeding in plants (7 vols.) Springer, Berlin, Heidelberg. 7:189-198. |
Materials | beads | | Smith, R. J. Botanical beads of the world (on-line resource). URL: http://www.botanicalbeads.com/BBB_page_9.html |
Materials | wood | | Little, E. L., Jr. 1978. Important forest trees of the United States |
Medicines | folklore | | Duke, J. A. et al. 2002. CRC Handbook of medicinal herbs |
Medicines | folklore | | McGuffin, M., J. T. Kartesz, A. Y. Leung, & A. O. Tucker. 2000. Herbs of commerce, ed. 2 American Herbal Products Association, Silver Spring, Maryland. |