1997 book
Soil genesis and classification (4th ed.)
Ames: Iowa State University Press.
1989 book
Soil genesis and classification (3rd ed.)
Ames: Iowa State University Press.
1989 journal article
UNDISTURBED SOILS, LANDSCAPES, AND VEGETATION IN A NORTH-CAROLINA PIEDMONT VIRGIN FOREST
SOIL SCIENCE SOCIETY OF AMERICA JOURNAL, 53(4), 1146–1152.
1980 book
Soil genesis and classification (2nd ed.)
Ames: Iowa State University Press.
1973 book
Soil genesis and classification (1st ed.)
Ames: Iowa State University Press.
1971 book
Soils of the Hayesville, Cecil and Pacolet series in southern Appalachian and Piedmont regions of the United States
In Soils of the Hayesville, Cecil and Pacolet series in southern Appalachian and Piedmont regions of the United States (p. 60). Raleigh, N.C.: North Carolina State University.
