Nhuận taught, with the USIS and American Consulate General's help, the first ever English-by-Radio course for Vietnamese listeners.
Xuan paper | Xuan | Wen Xuan | Wang Xuan (Second Zhou) | Wang Xuan | Võ Tòng Xuân | Trinh Xuan Thuan | Thường Xuân District | Phú Xuân | Mai Hữu Xuân | Liu Xuan | King Xuan of Zhou | Hoàng Xuân Hãn | Emperor Xuan of Northern Zhou | Dong Xuan (Han Dynasty) |