Wright, A., Schaad, M., Froelich, M., Phillips, S., Scott, J., Handwork, D., Lonardo, J., Gearon, B., Harrison, R., Sinclair, S., Spence, C., & Drazdik, K. (1991). The Burr Spring 1991. https://oaks.kent.edu/node/5112
Wright, Angela, Melissa Schaad, Mark Froelich, Sheri Phillips, Jennifer Scott, Dawn Handwork, Jeannine Lonardo, Bernie Gearon, Rick Harrison, Shalleen Sinclair, Cyndi Spence, and Ken Drazdik. 1991. “The Burr Spring 1991”. https://oaks.kent.edu/node/5112.
Wright, A., M. Schaad, M. Froelich, S. Phillips, J. Scott, D. Handwork, J. Lonardo, B. Gearon, R. Harrison, S. Sinclair, C. Spence, and K. Drazdik. The Burr Spring 1991. 1 Jan. 1991, https://oaks.kent.edu/node/5112.