However, the staff at ARI felt it was better to have some information than nothing. The missing fields will be added as the older materials are put into electronic format. There are many excellent online catalogs, but as I can discuss only a few, I have chosen some of my favorites. But I do understand that the entire catalog will be web-based by 2001. QB36 QB36 is the classification number for biographies of astronomers This will display a listing of all biographies of astronomers written between 1880 - 1920.
Partial classification listing including history of astronomy is at the end of the handout.
QB15 QB15 is the classification for general histories of astronomy This will display a listing of general histories of astronomy written between 1900 - 1960. It appears you cannot set date range options when using call number browse, but it works perfectly if you put the call number in keyword. We have asked the LC why this happens, but haven't received an answer as yet. Over 9 million titles in this catalog, combining the catalogs of the 9 UC campuses, Calif. Academy of Sciences and others. System is named for Melvyl Dewey who created the Dewey Decimal Classification used in most public libraries.