The Cutter classification, although adopted by comparatively few libraries, mostly in New England, has been called one of the most logical and scholarly of American classifications. Its outline served as a basis for the Library of Congress classification, which also took over some of its features. It did not catch on as did Dewey's system because Cutter died before it was completely finished, making no provision for the kind of development necessary as the bounds of knowledge expanded and scholarly emphases changed throughout the 20th century.