Adjustable Classification for Libraries

the use of wearisome sub-division almost needless in the majority of cases. As in the case of divisions, alternate numbers only need be used, the even series being available for additional sub-divisions. In applying the system it is recommended that the class letter and number be used for shelving and cataloguing only, and that charging or other necessary registration be done by means of the accession numbers. Each book as received should get the usual progressive accession number, and in addition the class letter and number showing where it is to be located. For this system it is not necessary to number alcoves, presses, or shelves, as the books will stand in the order of the classification herein tabulated. Additions can be made at any time and at any point, and each book takes its place, if correctly marked, among all the other books on the same subject. In the catalogue it will be advisable to print both accession, and class numbers, one series on each margin, so that the system can be applied to libraries using indicators, cards,, ledgers, or open access. Where an indicator is used the accession numbers must be kept in one sequence, and in the- case of Cotgreave's variety the class letters and numbers must be written into the indicator books, while in the case of Chivers'' variety the same must be done on the recording tabs, as a. direction to the assistant. Or a brief application form, may be. used, giving both class and book numbers, as will be n...