19th-century U.S. political and intellectual history
The Civil War and Reconstruction
Women and gender
“Charles Sumner and the Slavery Question,” Western History Review 117 (2013): 197-229.This article is published under the heading of “The First Winner of The Korean Society for Western History Award for the Best Master’s Thesis.” (in Korean)
“2015 Fulbright Graduate Study Award.” Korean Fulbright Foundation, Sept. 2014 (declined)
“Award for the Best Master’s Thesis.” The Korean Society for Western History, May 2013.
“Excellence Mentoring Award.” College of Liberal Studies, Seoul National University. August 2010.