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                   CHAPTER XXVIII. 
              CATALOGUES AND CATALOGUING. 
                      I.-BY MELVIL DEWEY, 
                         Amherst College Library. 
                         if.-BY S. B. NOYES. 
                     Mercantile Library, Brooklyn, N. Y. 
                     ii.-BY JACOB SCHfWARTZ, 
                   Librarian Apprentizes' Library, New York. 
                     IV.--BY JOHN J. BAILEY, 
                 Librarian Public School Library, St. Louis, Mo. 
 I.-A DECIMAL CLASSIFICATION AND SUBJECT INDEX. 
 DEVISED FOR CATALOGUING AND INDEXING--FOUND APPLICABILE TO ARRANGING AND
 NUMIBERING 1001KS ON THE SIIELVEs-DEscRIIPT'ON-M1Y JIE USED IN ANY LI- 
 IRAiRY - EXAMP'LES - NOTES. 
 It was thought that a description of the plan as in actual use in the 
 Amherst College Library would be its best explanation. It will be seen,
 hlowever, that its most valuable feature, the classification and subject
 index, may be adopted, if desired, in connection with very different cat-
 alogues and methods. Though the system was devised for cataloguing 
 and indexing purposes, it was found on trial to be very valuable for 
 numbering and arranging books and pamphlets on the shelves. 
 The plan of this classification and index was developed early in 1873. 
 It was the result of several months' study of library economy as set forth
 in some hundreds of books and pamphlets, and of over fifty personal 
 visits to various American libraries. In this study, the author became 
 convinced that the usefulness of these libraries might be greatly in- 
 creased without additional expenditure. Three years' practical use of 
 the system here exl)laiued leads him to believe that it will accomplish
 this result; for with its aid the catalogues, shelf lists, indexes, and
crois- 
 references essential to this increased usefulness, can be made more eco-
nornically than by any other method which he has been able to find. 
  For the better understanding of the scheme there are appended pages 
5 to 8 of the Library Hand-book, giving a brief description of the cata-
logues; a specimen page of the classificati~n, also of the subject index;
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