Describes a study in which comprehensive bibliographies and related literatures were compared by clustering indices, Bradford multipliers, bibliograph slopes, and reference scattering coefficients. It is concluded that the clustering index has the potential for being a useful tool in comparing the intensity of clustering of different literatures.…

To test validity of cocitation studies as representations of intellectual structure, five-six years of aggregate cocitation data for 41 authors in macroeconomics and 49 authors in genetics of fruit flies were compared with independent judgments of interauthor similarity collected from 14 macroeconomists and 15 geneticists via a card-sorting…