Charles A. Cutter,
Rules for a Dictionary Catalogue
“ Sometimes, if one has forgotten the Christian name of an author, it may be easier to find him under a subject than in a crowd of Smiths or Joneses or Müllers, and this use of a subject-heading is impaired by grouping or by chronological order; but such use is infrequent, and the main design of a subject-entry should not be subordinated to this side advantage.It is even urged that it is harder to find a work treating of the subject in any special way among subdivisions than when there is only one alphabet, which is absurd. ”

