In fairness to the librarian who gave the "tongue lashing," the archive has a strict policy on access and they are open about it on their website: The Archive is available to theatre professionals, students, or researchers with work or study-related reasons for viewing. (
https://www.nypl.org/locations/lpa/theatre-film-and-tape-archive)
They even provide further specific information the original poster might find helpful, on "Using the Archive":
https://www.nypl.org/locations/tid/55/node/92121 The archive probably expects their users to learn how to use the items in the collection before they show up and request an item. Like most libraries and archives, the TOFT operates with a policy for accessing their materials. This preserves the collection from wear, tear, and abuse and preserves the resources of the repository (i.e. staff time, technology use). This helps to ensure that the materials are used properly and for the purpose of the collection. Additionally, the materials at the TOFT have special labor and copyright considerations that must be observed and have implications on access. One should know about these library policies before assuming you have a right to access materials and consequently being disappointed when you arrive at the library. It's a respect for the collection and institution.
The purpose of the TOFT collection isn't to give anyone the opportunity to see a show "you never got to see." If you want to do that, other threads discuss ways to gain access by spinning your need in a way that fits their policy, just search:
https://forum.broadwayworld.com/readmessage.php?thread=1063237 https://forum.broadwayworld.com/readmessage.php?thread=1052546 https://forum.broadwayworld.com/readmessage.php?thread=986152&page=1