An excerpt from an article released in 2012, listing works, co-authored publications, and footnotes related to Oh Sonfa. It documents major titles on Japan–Korea relations, historical and cultural debates, and contemporaneous reports regarding entry refusal, presented verbatim.

2016-11-19.
Next is from an article released on 2012/12/8.
Oh Sonfa…from Wikipedia. ③.
2012-08-28.
Co-authored works.
Japan’s Arrogance, Korea’s Arrogance: A Path for New Japan–Korea Relations　Shoichi Watanabe (1993 Tokuma Shoten), later paperback.
Korea’s Passion, Japan’s Coldness: Beyond the Wall of Japan–Korea Antagonism (1996 Tokuma Shoten) Shoichi Watanabe.
This Will Not Do, Korea: Dialogues with Newcomer Koreans　Kilseong Choi (1997 Sanko-sha).
History and Culture Set Japan Right (Moralogy Research Institute (Hiromichi Gakuen Projects Division)) Co-authored by Hideji Yagi and Akihisa Takamori.
Japan’s Cultural Power Makes the World Happy (2004 PHP Institute) Co-authored with Kimindo Kusaka.
The Troublesome Neighbor Korea’s True Nature: Why Is It “Anti-Japan” Yet Yearns for Japan (2006 Shodensha) Co-authored with Motohiko Izawa.
Traitors (2007 Business-sha) Co-authored with Kō Bun’yū and Sekihei.
Naturalized Japanese: Therefore Understanding the Merits and Weaknesses of the Japanese (2008 Rihakusha (Forest Publishing)) Co-authored with Kō Bun’yū and Sekihei.
People Who Defame Japan: Naming and Correcting Those Who Sell Their Homeland Co-authored by Shoichi Watanabe and Hideji Yagi PHP Institute 2011.2.
Footnotes.
Ms. Oh Sonfa, Who Published “Korea-Critical Books” in Japan, Refused Entry to Korea Chosun Ilbo Japanese Online Edition October 11, 2007.
“Ms. Oh Sonfa Refused ‘Return’ Even for Her Mother’s Funeral”. Sankei Shimbun. Viewed October 9, 2007.
Contribution: “My ‘Home Country’ That Refused Entry to Me, a Japanese National”, pp.120–129, Seiron January 2008 Issue.