1. Berry, F. H. 1969.Decay in the upland oak stands of Kentucky. U.S.D.A. Forest Serv. Res. Pap. NE-126, 16 p. Northeastern Forest Exp. Sta., Upper Darby, Pa.
2. Berry, F. H., and J. A. Beaton. 1971.Decay not serious in northern red oak. U.S.D.A. Forest Serv. Res. Note NE-125, 5 p. Northeastern Forest Exp. Sta., Upper Darby, Pa.
3. Berry, F. H., and J. A. Beaton. 1972.Decay in oak in the central hardwood region. U.S.D.A. Forest Serv. Res. Pap. NE-242, 11 p. Northeastern Forest Exp. Sta., Upper Darby, Pa.
4. The Thelephoraceae of North America. XV