This page was created by Michitake Aso.
Hanoi and Thai Nguyen
The following map is from the Đồng Khánh địa dư chí, or the Dong Khanh Geography, a set of maps of Vietnam started during the reign of Đồng Khánh (1886-1888) [double check.]
Include information on and maps of Thái Nguyên.
The following image is a recent bird's eye view of greater metropolitan Hanoi and its surroundings from Google Maps.