Encyclopaedia on Philosophy of Library Classification

In any Scheme for Classification the sequence of the Main Subjects is not however very important. In the first place each Main Subject will have thousands of books on it forming a single block. Whatever be the sequence of the Main Subjects in the Scheme, these blocks will usually be arranged in a different sequence, in order to satisfy Law 4 of Library Science-Save the Time of the Reader. For example, in a Generalist Library, Literature is the most popular. Therefore, it saves the time of the ma