Peterson, R.N., J.P. Cherry and J.G. Simmons. 1982. Composition of pawpaw (Asimina triloba) fruit. Ann. Rpt. NNGA 73:97-107.

Pickering, C. 1879. Chronological History of Plants. Vol. 1. Little, Brown and Company, Boston.

Pomper, K.W., S.B. Crabtree, S.P. Brown, S.C. Jones, T.M. Bonney, and D.R. Layne. 2003. Assessment of genetic diversity of pawpaw varieties with inter-simple sequence repeat markers. J. Amer. Soc. Hort. Sci. 128:521-525.

Pomper, K.W., S.C. Jones, and L. Barnes. 2000. The influence of low temperature storage on the germination rate of pawpaw [Asimina triloba (L.) Dunal] seed. Annual Report of the Northern Nut Growers Association 91:20-27.

Pomper, K.W. And D.R. Layne. 2004. The North American pawpaw: botany and horticulture. Hort. Rev. 31:

Pomper, K.W. and D.R. Layne. 2000. The Kentucky State University pawpaw story. Pomona 33:13-19.

Pomper, K.W., D.R. Layne, and R.N. Peterson. 1999. The pawpaw regional variety trial, p.353-357. In J. Janick (ed). Perspectives on New Crops and New Uses. ASHS Press, Alexandria, VA.

Popenoe, W. (ed.) 1916. Where are the best papaws? J. Heredity 7:291-296.

Rashid, A. 1978. Effect of plant growth regulators on stooling in walnuts. Indian J. Hort. 35:202-206.

Rogstad, S.H., K. Wolff, and B.A. Schaal. 1991. Geographical variation in Asimina triloba Dunal (Annonaceae) revealed by the M13 “DNA Fingerprinting” probe. Amer. J. Botany 78:1391-1396.

Sargent, C.S. 1890. Silva of North America. Houghton Mifflin, New York.

Sharma, S.D. and S. Rosanglura. 1987. Rooting pattern of primary and secondary roots in air and mound layered pecans. Fruit Sci. Rpt. 14:119-123.

Solar, A., J. Smole, F. Stampar. 1994. Investigations of different methods of propagation of hazelnut (Corylus avellana L.). Acta Hort. 351:381-386.

Stanley, C.J., Stokes, J.R. and Tustin, D.S. 2001. Early prediction of apple fruit size using environmental indicators. Acta Hort. 557:441-446