Self-service Stacks
The design of the Carnegie libraries has been given credit for encouraging communication with the librarian. It also created an opportunity for people to browse and discover books on their own. "The Carnegie libraries were important because they had open stacks which encouraged people to browse....People could choose for themselves what books they wanted to read," according to Walter E. Langsam, an architectural historian and teacher at the University of Cincinnati. Before Carnegie, patrons had to ask a clerk to retrieve books from closed stacks.
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