1. A Comparison of Some Machine-Produced Indexes, Hawaii Institute of Geophysics Report 65–1, 1965.
2. B.A.S.I.C. Biological Abstracts Information Dissemination System, Biological Abstracts, Inc., Philadelphia, Pa. (monthly), April 1, 1962-date.
3. Economic Theory and Operations Analysis, Prentice-Hall, Inc., Englewood Cliffs, New Jersey, 1963.
4. Chemical Titles, The American Chemical Society, Easton, Pa. (biweekly), 1960-date.
5. , and , Linear Programming and Economic Analysis, McGraw-Hill Book Co., Inc., 1958.