id author title date pages extension mime words sentence flesch summary cache txt crl-9878 Taube, Mortimer The Theory of Book Selection 1941-06-01 5 .pdf application/pdf 3191 176 67 In a normative discussion it might be held that some of these criteria ought not to be independent; specifically it might be held that the monetary value should be a func- tion of critical value or that additive value should be a function of documentary value, etc. Critical Value T h e obvious character of reference value makes any lengthy discussion of its relevance unnecessary; the same would be true of critical value except that here, as in the discussion of additive value, the lack of an adequate terminology seems to necessitate the use of an ambiguous term.1 cache/crl-9878.pdf txt/crl-9878.txt