1. Bloombaum , M. 1971 Some Recent Examples in Facet Theory and Nonmetric Analysis
2. Collier , George 1963 Color Categories in Zinacantan B.A. honors thesis Harvard University
3. An Outline of Some New Methodology for Social Research;Guttman;Public Opinion Quarterly,19541955
4. A Faceted Definition of Intelligence;Guttman;Scripta Hierosalymitana, Publications of the Hebrew University,1965
5. A General Nonmetric Technique for Finding the Smallest Space for a Configuration of Points;Guttman;Psychometrika,1968