Project Gutenberg has now uploaded the Cataloguing scheme of Dewey Decimal Classification written by Melvil Dewey with the following title:"A Classification and Subject Index for Cataloguing and Arranging the Books and Pamphlets of a Library". This book was published by Melvil Dewey (1851 - 1931) in the year 1876.
One can either read the book online or you can also download the ebook for free from the Project Gutenberg site.