Read unbiased, true modern Korean history in original Korean language written objectively and accurately. Two titles in Korean edition is available in many univeristy libraries at this time (For example, http://id.lib.harvard.edu/aleph/013735180/catalog to HARVARD LIBRARY). "역사로서의 5.18" published in 2013 is a series made up of four volumes. "임을 위한 행진곡"(2015) deals with a specific topic, which is a hot issue in Korean society relating to Gwangju Uprising.
Here are some examples of public links to "역사로서의 5.18" stocked in libraries (the list of Korean and Japanese libraries are not included on this page).
Here are some examples of public links to "임을 위한 행진곡" stocked in Western libraries.