
1) Library needs 2) Literary backing of a kind 3) They keep the volume up 4) They may hold volumes 5) Title holders 6) Volume units
Found on
https://www.crosswordclues.com/clue/bookends
[software] Bookends is a commercial reference management software package for Mac OS X that is used to manage bibliographies and references when writing essays and articles. Its target market is students, academics and professionals. It works with several word processors, including Microsoft Word, Apple Pages, Mellel, Nisus Writer Express, ...
Found on
http://en.wikipedia.org/wiki/Bookends_(software)
No exact match found.