On the C-SPAN Networks:
John Hessler is a Senior Reference Librarian for the Geography and Map Division in the Library of Congress with three videos in the C-SPAN Video Library; the first appearance was a 2007 Forum as a Specialist for the Geography and Map Division in the Library of Congress. The year with the highest average number of views per program was 2013 with an average of 663 views per program. Most appearances with John Hebert (2). Most common tag: World History.