The ALHHS 30th anniversary celebration.
D000846:Anniversaries and Special Events; D001109:Archives / Q000266:history; D049673:History, 20th Century; D049674:History, 21st Century; D016245:Librarians / Q000266:history; D011904:Rare Books / Q000266:history; D012952:Societies / Q000266:history; D014481:United States