He has done field work in Peru and Nicaragua and is the author of four books, some of which have been translated into Korean, French, Spanish, and Italian. and about 20 articles. His best known are The Anthropology of Globalization (2002), and his textbook, Political Anthropology: an Introduction, which has gone into three editions.
Spanish translation: Lewellen, Ted C. Introducción a la antropología política. Barcelona: Bellaterra, 1985. OCLC 434641428
Italian translation, Lewellen, Ted C. Antropologia politica. Bologna: Il Mulino, 1995. ISBN978-88-15-03670-4
Korean Translation: 류웰린 원저 ; 한 경구, 임 봉길 공역. 한 경구. 임 봉길. ; Ted C Lewellen; Kyŏng-gu Han; Pong-gil Im / Lewellen, Ted C., Kyŏng-gu Han, and Pong-gil Im. 정치 인류학 / Chŏngchʻi illyuhak. Sŏul Tʻŭkpyŏlsi: Ilchogak, 1998. ISBN978-89-337-0328-1
Lewellen, Ted C. The Anthropology of Globalization: Cultural Anthropology Enters the 21st Century. Westport, Conn: Bergin & Garvey, 2002. ISBN978-0-313-01284-6 According to WorldCat, held in 1261 libraries