Regional Numerical Union Catalog on Computer Output Microfiche

William E. McGrath, Donald Simon


A union catalog of 1,100,000 books on computer output microfiche (COM) in twenty-one Louisiana libraries is described. The catalog, called LNR for Louisiana Numerical Register, consists not of bibliographic information, but primarily of the LC card number and letter codes for the libraries holding the book. The computer programs, the data bank, and output are described. The programs provide the capability for listing over two million entries. Also described are the statistical tabulations which are a by-product of the system and which provide a rich source for analysis.

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