other
relations. These cross references both general and specific are often
accompanied by brief notes, characterizing the books to which reference
is made.

There will be found at the beginning of many class numbers, a card noting
the most reliable books on that subject, and the best of the articles in
periodicals, transactions, and collected works with the volume and page
where they may be found. It is hoped to give special prominence to these
notes for the guidance of readers, and they will be added as rapidly as
other duties allow.

Many subjects will have no sub-section cards at the beginning; some will
have no reference cards at the end; and some may have no titles given
under the number. The scheme provides a place for books on all subjects,
whether the library has them or not, so where no titles are given under
a class number it shows that the library has as yet no books on that
subject.

Articles in periodicals and transactions, separate volumes of sets and
collections which are located together, _if catalogued_ are put under
their proper subject number, but no _book number_ is given with it. The
call number of the book, where they may be found, is always given in the
margin preceded by the word IN. In the same way special chapters in books
will sometimes be catalogued, _e.g._ a card marked 338 IN 331-27, would
mean that in the 27 books on 331, _Capital and Labor_, there was a
chapter on 338, _Production_.

End of the Project Gutenberg EBook of A Classification and Subject Index for
Cataloguing and Arranging the Books and Pamphlets of a Library [Dewey Decimal Classification], by Melvil Dewey

*** END OF THIS PROJECT GUTENBERG EBOOK DEWEY DECIMAL CLASSIFICATION ***

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