id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
5742	McGrath, William E.; Simon, Donald	Regional Numerical Union Catalog on Computer Output Microfiche	1972-12-01	13	.pdf	application/pdf	4219	561	77	primarily of the LC card number and letter codes for the libraries holding The Numerical Register of Books in Louisiana Libraries, as the catalog is now entitled, is the second step toward c. generate records of unique titles in combinations of libraries owning the total number of books held in common by Libraries A and B is 127, the number of books held in common by them and no other library is only 52. Column 2 is the total number of titles counted in all combinations. is the average number of unique titles contributed by each library. is the average number held by any combination of 2 libraries, and 6.89 Summary of Titles Held in Common by Unique Combinations of Libraries (Spring 1971 tabulation) 90,302 (column 3, table 3) and the number of titles held by one library library has many titles without LC numbers.	./cache/5742.pdf	./txt/5742.txt