Somehow this gem has escaped my attention until now. In 1906, Sam Walter Foss, a librarian in Somerville, Massachusetts, published a series of funny poems about the variously happy and beleaguered staff of a public library.
This must be made into a musical. From my first semester of library school, I've argued that what the profession needs for prestige is a popular sitcom set in a library. But a musical will do for now.