Changes

*[https://www.wdl.org/en/item/11948/ ''Siam''] by Josiah Crosby, the British consul-general in Bangkok. HMSO 1920. Number 74 in a series of more than 160 studies prepared by the British Foreign Office as background information for British delegates at the 1919 Paris Peace Conference. World Digital Library, Library of Congress.

*[https://archive.org/details/wherestrangetrai00powe/page/n9/mode/2up ''Where the strange trails go down; Sulu, Borneo, Celebes, Bali, Java, Sumatra, Straits settlements, Malay states, Siam, Cambodia, Annam, Cochin-China''] by E Alexander Powell 1921 Archive.org

*[https://digitallib.stou.ac.th/handle/6625047444/1639 ''Guide to Bangkok: with Notes on Siam''] by Major Erik Seidenfaden 1927. Link to a pdf download, STOU Digital Repository Sukhothai Thammathirat Open University, Thailand. Note, this website has been noticed to be unavailable at times, possibly it may only be accessible during "office hours". [https://archive.org/details/guide-bangkok-siam/mode/2up Archive.org mirror version] including [https://archive.org/details/guide-bangkok-siam/page/n13/mode/2up Plan of Greater Bangkok] and [https://archive.org/details/guide-bangkok-siam/page/n370/mode/1up Plan of Bangkok].

:[https://archive.org/stream/BangkokSiam1932/Bangkok_Siam_1930-150dpi_OCR_pdfA-2b#page/n3/mode/1up Third Edition 1932] With illustrations. Archive.org. Note, to view, select single page option, as the book has been scanned two original pages to one digital page.

*[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]]