Changes

*[https://archive.org/details/onoffdutyinannam00vassiala/page/n9/mode/2up ''On & Off Duty in Annam''] by Gabrielle M Vassal 1910. Archive.org. The author was an English woman married to a French Army doctor who was appointed in 1904 to the Pasteur Institute at Nhatrang, the “prettiest and healthiest spot in Annam” which was the European capital of the Province of Khanhoa, two days from Saigon by boat. The Institute conducted plague research and other bacteriological work, and the location was chosen for the availability of cattle and horses required for the research experiments.

:[https://archive.org/details/paper-doi-10_1038_084243a0/mode/2up 1910 review of the book] ''Nature August 25, 1910''. Archive.org

*See [[Second World War#Singapore, Hong Kong, Malaya, Dutch East Indies, Vietnam|Second World War - Historical books online - Singapore, Hong Kong, Malaya, Dutch East Indies, Vietnam]]