http://www.libraryhistorybuff.org/cardcatalog.htm

https://www.1dogwoof.com/repurposed-card-catalog-reveal/

https://alexandrianpl.org/comfort-cabinet/

A library has repurposed their library card catalogs as a comfort cabinet to provide their community with necessities like toothbrushes, combs, band aids, socks, etc.

https://www.etsy.com/listing/1283073189/founding-member-level-membership-museum

Museum of Tiny Things, a museum of miniatures and scenes built into a repurposed library card catalog.

archive link