About 2 years ago this was a long thread on one of the library lists.
Though I'm not 100% sure of the list (I think it was LIBRARY@INDYCMS)
I do remember the name of the person who collated all the submissions:
Martin Raish.  His list gave the name of the film and how librarians or
libraries were used - his list contained many, many entries.
Hope this helps.
Bob Kosovsky
Graduate Center -- Ph.D. Program in Music(student)/ City University of New York
New York Public Library -- Music Division
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Disclaimer:  My opinions do not necessarily represent those of my institutions.