Howe, C. Z., Hawkins, B. A., MacLean, J. R., Niepoth, E. W. 1., Sessoms, H. D., & Tebbutt, S. (1998). Historical perspectives on the development of the NRPA/AALR Council on Acreditation. Ashburn, VA: National Recreation and Park Association.

Howe, Christine Z., Barbara A. Hawkins, Janet R. MacLean, E. William 1928- Niepoth, Hanson Douglas Sessoms, and Sharon Tebbutt. Historical Perspectives On the Development of the NRPA/AALR Council On Acreditation. Ashburn, VA: National Recreation and Park Association, 1998.

Howe, Christine Z., et al. Historical Perspectives On the Development of the NRPA/AALR Council On Acreditation. Ashburn, VA: National Recreation and Park Association, 1998.