TY  - BOOK
TI  - Lịch khoa tứ lục 歷科四錄
AN  - Columbia University Libraries
N1  - Dated [date of publication not identified]
SP  - 46
UR  - https://viet-dien.com/t/han-nom-d8-0n1h-4a98/46
Y2  - 2026-10-04
ER  -