Examples for Field 001 (Control Number):

001 #880524405##

003 CaOONL

016 ##$a#880524405##

[NLC generally supplies its control number in both fields 001 and 016.]

001 ###86104385#

003 DLC

010 ##$a###86104385#

[LC generally supplies its control number in both fields 001 and 010.]

001 14919759

003 OCoLC

001 #####9007496

003 DNLM