Decimal Classification and Relativ Index, Vol. 1: Tables (Classic Reprint)

Excerpt from Decimal Classification and Relativ Index, Vol. 1: Tables

Had he lookt for 'railroad' he wud hav found after it 22 separate entries, each preceded by a word or fraze indieating the faze of the sub ject in the skerne. A book on railroads may treat of the desirability of government ownership, control etc. And then is clearly a question of social syence; or it may be a practical handbook for an employee, explaining busi ness methods of railroading, running trains, handling freight, etc. When it is as clearly one of the useful arts. The clasifyer knows to which of these beds his book belongs, and the reader knows in which of its fazes he wishes to examin the subject. Moreover, 3 and 6 beginning the numbers clearly indicate caracter of each clas. But even if signifimnce of these figures is entirely disregarded, no confuzion results, for, on consulting the numbers in catalog, in skeme, or on shelvs the difierence is clearly seen. In other eases, it is more useful to keep books on the same subject together. Tho treated from different standpoints. A glance at the Index tels either reader or clasifyer which plan has been adopted.

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