Ruben, B. D., Human Information Processing. In Encyclopedia of Communication and Information.  New York: Macmillan, Vol. 2, 2002, 415-420. (C)

Ruben, B. D., Models of Communication. In Encyclopedia of Communication and Information.  New York: Macmillan, Vol. 2, 2002, 207-608. (C)

Ruben, B. D., Evolution of Communication Theory. In Encyclopedia of Communication and Information.  New York: Macmillan, Vol. 1, 2002. 299-300. (C)

Ruben, B. D., Group Communication: Roles in Responsibilities. In Encyclopedia of Communication and Information.  New York: Macmillan, Vol. 2, 2002, 386-389. (C)

Ruben, B. D., Culture and Communication. In Encyclopedia of Communication and Information.  New York: Macmillan, Vol. 1, 2002, 206-209. (C)

Ruben, B. D., Communication Study. In Encyclopedia of Communication and Information.  New York: Macmillan, Vol. 1, 2002, 155-158. (C)

Ruben, B. D., Animal Communication. In Encyclopedia of Communication and Information.  New York: Macmillan, Vol. 1, 2002, 25-29. (C)

Budd, R. W. and B. D. Ruben, eds., Interdisciplinary Approaches to Human Communication.  Second Edition, New Brunswick, NJ:  Transaction, 2003, 173 pp. (B)

Ruben, B. D., General Systems Theory, Organizational Assessment and Leadership. In Communication Theory: A Reader. Second Edition.  Edited by L. Lederman, and W. D. Gibson M. Taylor. Dubuque, IA: Kendall-Hunt, 2005, 149-171. (C)

Ruben, B. D., L. Stewart, and B. Householder. Communication and Human Behavior. Updated Fifth Edition. Boston: Kendall-Hunt, 2015, (B)