Log Category of Documents:
Item 1-7: Five personal letters and two envelopes, dated 10 and 13 Nov 68, from Đặng Hương, Nguyễn Ngọc Biên and Nguyen Thanh Tung, LBN 83013KT, Construction Office, Engr Staff, Group 559, to Xuân Thao, Dương Quang Chương, Pham Xuan Duong and Doai, Engr Office, MR 5, inquires about their health.