Four significant data analyses have been made of 6,622 adult titles selected at random from the collections of 20 United States public libraries. An inductive quality estimate was determined by counting the times each was listed in up to eight evaluation guides. The analyses show that: (1) although there is a positive and significant relationship between the age of these titles and the number of tools in which they are listed, the relationship is not very strong; (2) although there is a positive and statistically significant relationship between the number of tools in which they are listed and the number of copies of these titles held by the 20 libraries, the relationship is weak; (3) the number of copies per title is relatively uniform in all Dewey classes; and (4) the number of titles found in each evaluation tool differed widely between the various main Dewey classes. (Author/RAA)