DEPARTMENT OF PRINTED BOOKS. 15 



XI. — PROGRESS made in tke Arrangement and Description 

 OF the Collections and Account of Objects added 

 TO them in the year 1920 (Bloomsbury) . 



Department of Printed Books. 



I. Arrangement. — The works added to the collection during 

 the past year have, as far as possible, been placed on the shelves 

 of the Library according- to the system of classification adopted in 

 the Museum. 



The press-marks, indicating their respective localities, have 

 been marked on the inside and affixed to the back of each volume. 



The total number of these press-marks amounts to 64,735; in 

 addition to which 36,092 press-marks have been altered on books 

 and in the catalogues, in consequence of changes and re-arrange- 

 ments carried out in the Library ; 34,364 labels have been affixed 

 to books and volumes of newspapers, and 48,389 obliterated labels 

 been renewed. 



The number of stamps impressed upon articles received is 

 406,456. 



10,885 presses of books have been dusted in the course of the 

 year. 



II. Cataloguing. — 46,957 titles have been written for the 

 General Catalogue and for the Catalogue of Maps and Music. 



Printing. — 34,450 titles and index-slips for the General, and 

 1,428 for the Map, Catalogue have been printed during the yea^. 



Incorporation. — General Catalogue. — 32,998 title-slips and 

 index-slips have been incorporated into each of the three copies 

 of the Catalogue. This has rendered it necessary, in order to 

 maintain as far as possible the alphabetical arrangement, to re- 

 arrange 54,723 title-slips and index-slips in each copy and to add 

 to each copy 461 new leaves. 



May Catalogue. -—2,017 titles have been written for this Cata- 

 logue, and 1,734 title-slips have been incorporated into each of 

 three copies of it. This has rendered it necessary to re-arrange 

 2,691 title-slips in each copy and to add to each copy 21 new 

 leaves. 



Music Catalogue. — 8,096 titles have been written for this 

 catalogue; 30,294 title-slips have been relaid on 2,207 new leaves. 



Shelf Catalogue. — For this catalogue, in which the title-slips, 

 mounted on cards, are arranged in order of press-marks, 23,364 

 have been so mounted and 27,880 have been incorporated in their 

 proper order. 



Special Catalogues. — Work has been continued on the Cata- 

 logue of Books printed in the XVth Century and progress made 

 with the Venetian Presses, which will occupy Part V. 



