["Peanuts" is the] General Motors of comic strips, it sometimes seems. The latest count was 44 in print, not all of them by any means proper reprints of newspaper strips. At their best, they're very, very good—a mixture of pop philosophy and fantasy. At other times, they go icky-commercial. (p. 27)
Sherwin D. Smith, in The New York Times Book Review (© 1974 by The New York Times Company; reprinted by permission), June 9, 1974.