1. A Grammar of Motives
2. Burke, Kenneth. 1969.A Rhetoric of Motives, 43Berkeley: Univ. of California. 1950; rpt.
3. Bosserman, Phillip. 1968.Dialectical Sociology, 227Boston: Porter Sargent.
4. Cornforth, Maurice. 1971.Materialism and the Dialectical Method, 78New York: International Publishers.