Log Category of Documents: Undated Listing of digits
Coordinate N/A
Keywords People Huy Duong, Mai Van Hien, Nguyên Hồng Tâm, Tran Kim
Keywords Location Triều Lê Vill, Triệu Phong Dist, Quang Tri Prov
Keywords Objects N/A
Summarize Listing of digits substitution for letters; Certificate awarded to Mai Van Hien for "Outstanding Emulator" title, and introduction letter for Tran Kim for buying rations.