1906
Akisato, Yamane
1937
Sentoksha Bunshin Nihon Chosun Osaka University
1909
Saito, K.
1945
Ya Kwang Geographical Institute
1:24k
1927
Great Britain. Ordnance Survey.
1921
China. Whangpoo Conservancy Board
1:10k
1921
China. Whangpoo Conservancy Board
1:10k
1910
United States. Army. General Staff. Military Intelligence Division.
1890
France. Ministère des travaux publics. Administration des routes; France. Direction des cartes, plans et archives et de la statistique graphique; École nationale des ponts et chaussées (France)
1:20k
1889
London