1. Adovasio, J. (1982). Meadowcroft Rockshelter; 1973–1977: A synoposis. In Ericson, J. F.,et al. (eds.),Peopling the New World, Bacena Press, Los Altos, CA, pp. 97–131.
2. Adovasio, J., and Johnson, W. (1981). The appearance of cultigens in the upper Ohio Valley: A view from Meadowcroft Rockshelter.Pennsylvania Archaeologist 51: 63–80.
3. Barber, M. B. (1991). Evolving subsistence patterns and future directions: The Late Archaic and Early Woodland period. In Reinhart, T. R., and Hodges, M. (eds.),Late Archaic and Early Woodland Research in Virginia: A Synthesis, Archaeological Society of Virginia, Richmond, pp. 253–258.
4. Becker, M. B. (1986). Cultural diversity in the lower Delaware River Valley, 1550–1750: An ethnohistoric perspective. In Custer, J. F. (ed.),Late Woodland Cultures of the Middle Atlantic Region, University of Delaware Press, Newark, pp. 90–101.
5. Belknap, D., and Kraft, J. C. (1977). Holocene relative sea level changes and coastal stratigraphic units on the northwest flank of the Baltimore Canyon Geosyncline.Journal of Sedimentary Petrology 47(2): 610–629.