@article{treadwell_mckinney_creamer_2003, title={From philosophy to science: A brief history of organic horticulture in the United States}, volume={38}, number={5}, journal={HortScience}, author={Treadwell, D. D. and McKinney, D. E. and Creamer, N. G.}, year={2003}, pages={1009–1014} }
 @article{frampton_mckinney_2002, title={The North Carolina Premium Fraser Fir Seed Cooperative}, volume={29}, number={2}, journal={Limbs & Needles}, author={Frampton, J. and McKinney, D.}, year={2002}, pages={10–13} }