It can be seen in the French Map of Tsiompa, Cochin China, Tokyo Bay, China and Philippine Islands that the marks for the nine islets were not original, but were scribed later on in brown in the corresponding locations.
Prepared by the French Guillaume Dheulland (1770-1770) in the 18th century, the map left a blank at the location of Nansha Qundao, indicating that France was ignorant of those islands back then.
Mapa de las Yslas Philipinas was prepared by the Jesuit Pedro Murillo Velarde and published in Manila in 1744.
In reprinting his first edition of Le Neptune Oriental in 1753, Jean Baptiste Nicolas Denis d'Apres de Mannevillette (1707-1780) the famous French cartographer implemented recalibration on the basis of observation findings of the French Royal Academy of Sciences a chart of the Netherlands and added a new map Cart Réduite de L'Ocean Oriental Depuis le Cap de Bonne Espérance, Jusqu'au Japon, that is, Map of the Navigation Route from Cape of Good Hope to the East Ocean of Japan.
In Second Part of Asia: Being China, Part of India and Tartary: the Islands of Sonda, Molucka, Philippin and Japan, the map prepared by British cartographer Solomon Bolton, the three atolls near the western coast of Luzon Island were marked.
Huangyan Dao was correctly marked on the map drawn by Europeans because Scarborough, a merchant ship of the British East India Company, struck a reef in 1748 at Huangyan Dao and sunk.
A Chart of the China Sea and the Philippine Islands with the Archipelagos of Felicia and Soloo was prepared on the basis of the chart of Philippine archipelago watercourses compiled in 1734 by the Jesuit Pedro Murillo de Velarde, and new data from the British Maritime Survey.
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