The phrase "library cardholders" refers to people who have a library card, which gives them the privilege to borrow books or access other resources from a library. Full definition
** Discount applies to public library cardholders who purchase a ticket at the gate and present a valid library card (one discount per card). (keyinnwoodbury.com)
Female readers seemed more active than their male counterparts, but this is not surprising if the gender ratio of library cardholders is similar to the population of Taipei, which is 52.11 % female. (goodereader.com)
PORTLAND, Ore. — Aug. 22, 2011 — Multnomah County Library's new, free mobile application makes it possible for library cardholders to use their library from almost any smartphone or Internet - enabled mobile device. (multcolib.org)