Reduzirte Karte vom Chinesischen Meere: 2tes Blatt, den Nördlichen Theil enthalted
1835
Vietnam, Philippines
Navigation map of the northern South China Sea, with bathymetry (sea depth), islands, shoals and reefs. There are five maritime routes to Canton and one to Manilla marked, and inset maps of the Gulf of Tonkin and bays and islands in the Philippines.