It can be used for browsing and gives access to the full catalogue entries attached to the headings concerned. Establish the correct terms in advance from the printed volumes. These include many cross-references for your guidance which will not be found in the catalogue itself. Arrangement Subjects are arranged alphabetically. Subdivisions of main entries are interfiled, regardless of whether they are topical, chronological or geographic in nature.
Numbers always precede letters.
In response to your search the computer will display a list starting with the closest approximation to your query. The number in round brackets following each heading indicates the number of entries for it in the catalogue. Click on previous window and next window to move up and down the list. Note that the index will display as a separate item any entry which differs in the smallest particular from another. When you think you have identified the name you want, it may be worthwhile to scrutinise surrounding entries.