Need primary sources on an arcane topic? Join Marie Concannon, Head of Government Information at MU Libraries, for this half-hour presentation on power-user tips for finding information in three major online digital libraries: HathiTrust, Google Books and Chronicling America.

Marie was at the State Historical Society for 10 years and has worked in government information for the last 20. As creator of the Prices & Wages by Decade online resource, she has done a lot of digging around in free online libraries and is pleased to share her most effective strategies.