Structured Information Files. Richard A. Kaimann: Melville Publishing Company, Los Angeles (1973). - Charles Goldstein (J. Am. Soc. Inf. Sci., 1974)

IRX: An Information Retrieval System for Experimentation and User Applications. - Donna Harman; Dennis A. Benson; Larry Fitzpatrick; Rand Huntzinger; Charles Goldstein (SIGIR Forum, 1988)