Reference services expertise
edited by Bill Katz
The Haworth Press , 1993
 Buku Teks SO
Serials and reference services
edited by Robin Kinder; Bill Katz
The Haworth Press, 1990
 Buku Teks SO
Information brokers and reference services
edited by Robin Kinder; Bill Katz
The Haworth Press, 1988
 Buku Teks SO
Personnel issues in reference services
edited by Bill Katz and Ruth A. Fraley
Haworth Press, 1986
 Buku Referensi
Evaluation of reference services
edited by Bill Katz and Ruth A. Fraley
Haworth Press, 1984
 Buku Referensi