The Cooper-Hewitt Library has a large collection of over 2,000 World’s fair catalogues and books. Many are the official guidebooks that visitors could purchase with descriptions of pavilions and that helped locate sights and other points of interest. As a teenager, my mother had loved the 1939 World’s fair, so that when it came <a href="http://blog.library.si.edu/2014/04/1964-fountains-fireworks-fifty-years-ago-a-worlds-fair/#more-'" class="more-link">more »</a>