Analysis of information sources in references of the Wikipedia article "List of closed stack libraries" in English language version.
... access to this area is restricted to faculty and graduate students of the University of Illinois and those patrons with special access cards
We maintain a closed stacks reading room for scholarly access to our book collections, archival and manuscript collections, and media holdings.
The collections are non-circulating and are used only in designated reading rooms.
Having access to the stacks limited to the staff of the library or to a limited group of library users.
The collections are non-circulating and are used only in designated reading rooms.