Library history aficionados will enjoy this bibliography (dating back to 1609!) about how to decide between preserving or discarding library materials:
Duplicate Books, Facsimiles, and Weeds: A Bibliography with Excerpts, for Scholars and Librarians https://mla.hcommons.org/deposits/item/hc:33963/
The bibliography serves as preparatory reading for a MLA conference next year: https://mla.confex.com/mla/2021/meetingapp.cgi/Session/8967