Seeking reports from John J Muccio

I would like to have documents reported by US Ambassador to South Korea, John J Muccio, on meetings with South Korea President Syngman Rhee and/or Taiwan President Chiang Kai-shek at places such as Jinhae, South Korea in July or August 1949. I will have serendipity if I can obtain one or more report documents sent by Ambassador Muccio to US government. Awaiting your professional assistance. Sincerely, ChoonYoungSong