Field	Coverage	Description
035	  100%	    SYSTEM CONTROL NUMBER (R)
245	  100%	    TITLE STATEMENT (NR)
538	  100%	    SYSTEM DETAILS NOTE (R)
974	  100%	    NA
260	  99.7%    	PUBLICATION, DISTRIBUTION, ETC. (IMPRINT) (R)
300	  99.0%   	PHYSICAL DESCRIPTION (R)
040	  95.8%   	CATALOGING SOURCE (NR)
100	  73.9%   	MAIN ENTRY--PERSONAL NAME (NR)
650	  64.9%   	SUBJECT ADDED ENTRY--TOPICAL TERM (R)
010	  51.5%   	LIBRARY OF CONGRESS CONTROL NUMBER (NR)
050	  47.2%   	LIBRARY OF CONGRESS CALL NUMBER (R)
500	  38.9%   	GENERAL NOTE (R)
504	  36.0%   	BIBLIOGRAPHY, ETC. NOTE (R)
020	  34.9%   	INTERNATIONAL STANDARD BOOK NUMBER (R)
490	  29.0%   	SERIES STATEMENT (R)
700	  27.9%   	ADDED ENTRY--PERSONAL NAME (R)
043	  27.8%   	GEOGRAPHIC AREA CODE (NR)
090	  27.6%   	LOCAL CALL NUMBER (BK AM CF MP MU VM SE) [OBSOLETE]
090	  27.6%   	SHELF LOCATION (AM)[OBSOLETE]
082	  20.2%   	DEWEY DECIMAL CLASSIFICATION NUMBER (R)
651	  19.9%   	SUBJECT ADDED ENTRY--GEOGRAPHIC NAME (R)
250	  18.1%     EDITION STATEMENT (R)
710	  14.5%   	ADDED ENTRY--CORPORATE NAME (R)
600	  14.1%   	SUBJECT ADDED ENTRY--PERSONAL NAME (R)
049	  8.7%      NA
880	  8.4%      ALTERNATE GRAPHIC REPRESENTATION (R)
042	  8.1%	    AUTHENTICATION CODE (NR)
041	  7.4%	    LANGUAGE CODE (R)
110	  7.1%      MAIN ENTRY--CORPORATE NAME (NR)
246	  6.6%	    VARYING FORM OF TITLE (R)
610	  5.9%	    SUBJECT ADDED ENTRY--CORPORATE NAME (R)
740	  5.8%	    ADDED ENTRY--UNCONTROLLED RELATED/ANALYTICAL TITLE (R)
505	  5.1%	    FORMATTED CONTENTS NOTE (R)
015   5.0%      NATIONAL BIBLIOGRAPHY NUMBER (R)