If there is a Hall of Fame somewhere for librarians — and there should be — then Alice S. Plaut, former head of the Public Library of Cincinnati and Hamilton County’s Art & Music Department, belongs in it. In 1958, entrusted by the Library with some of the $50,000 bequest by Eda Kuhn Loeb, she went to Europe to purchase rare, signed, limited-edition books from the finest artists. She chose sterling work by Chagall, Gauguin and others, including a copy of Matisse’s Jazz masterpiece. The results are on display in Creative Expression: Artists Works at the Main Library’s Cincinnati Room, and this is a show that compares favorably with those currently up in our art museums. It may be one of the year’s best, in fact.