Ford, Clellan S.1937 "A sample comparative analysis of material culture," in Studies in the Science of Society, George Peter Murdock, ed., New Haven, Yale University Press: 225-46.
2.
1967 "On the analysis of behavior for cross-cultural comparisons ," in his Cross-Cultural Approaches, New Haven, HRAF Press: 3-21.
3.
Murdock, George Peter1949 "The science of human learning, society, culture, and personality ," Scientific Monthly69, no. 6.
4.
Murdock, George Peter, et al. 1969Outline of cultural materials, 4th rev. ed. (4th printing, with modifications), New Haven, Human Relations Area Files.
5.
Spencer, Herbert1873- Descriptive sociology; or, groups of sociological facts classified
6.
1934and arranged by Herbert Spencer, 16 vols. London, Williams and Norgate .
7.
Sumner, William Graham1906Folktcays, Boston and New York, Ginn.
8.
Sumner, William Graham, Alfred G. Keller, and Maurice R. Davie1927The science, of society, 4 vols. New Haven, Yale University Press.
9.
Wissler, Clark1923Man and culture, New York, Crowell.
