The manuscripts are mainly concerned with Hutchinson's work, including 1688 Revolution in Siam: the memoir of Father de Bèze (published in 1968); Foot Soldiers of the Honble Company in Java and Celebes; "Phaulkon's House at Lopburi" (published in 1972); and Constantine Phaulkon (1647-1688). There are other manuscripts by Hutchinson as well as those by other writers, such as, Erik Seidenfaden (1881-1958).

Manuscripts concerned with 1688 Revolution in Siam include a typed copy, proof copy and loose manuscripts.

"Malaya and South Siam. Jan-Feb. 1974" - typed itinerary of their tour, 5 pieces, 5 sides. Also 2 news cuttings: "Bandits give Govt conditions" from the Bangkok Post for 3 February 1974; and "Doubt on Nurses Ransom" from the Daily Telegraph for 4 May 1974.

Journal, hardcover, burgundy and tan, containing "Journal of Travel & Observation, H.G.Q. Wales Vol.II 1927-1928", handwritten journal of his travels in Southeast Asia, containing a map of countries around the South China Sea, and notes on Malacca, British North Borneo (and Labuan), The Philippines, Korat and Eastern Siam, Nakon Pathom and Rajburi (Siam), Sukhothai, Sawankalok and Pisanulok (Siam).

A burgundy and tan hardcover journal. It contains the "Journal of Travel & Observation, H.G.Q. Wales Vol.I 1923-1927", handwritten journal of his travels in South America and Southeast Asia. The journal contains maps of Siam and the neighbouring countries, Java, plan of Petchaburi, Cambodia and Cochinchina, plan of the park of Angkor, ground plan of Angkor Wat and longitudinal section of Angkor Wat. There are also the notes of his journey to a "Himpse of the Pampas", the West & East coasts of the Gulf of Siam, Ayutthaya, Chiangmai, Bangkok-Singapore, Java, Petchaburi, Lopburi, Cambodia & Cochinchina, and Toongmisung.

Two journals, hardcover, burgundy and tan, containing "Journal of Travel & Observation, H.G.Q. Wales Vol.I-II 1923-1928", handwritten journals, including hand-drawn maps of the areas, of Wales' travels in South America and Southeast Asia. On title page is written "These early writings are not for publication at any time".

The travel itineraries of Quaritch Wales and his wife, Dorothy. The series contains thirty-six itineraries, including visits to: Greece Venice Italy Germany India Russia and Central Asia Siam and Burma Malaya and Southern Thailand

Creator: P.R.D. Williams-Hunt
Area: Eastern Siam

A small pamphlet containing the article, "Irregular Earthworks in Eastern Siam: an air survey", published in 'Antiquity', Vol.24,Issue 93, March 1950, with a map of Eastern Siam and aerial photographs taken by the Royal Air Force and United Armies Air Force. The survey was carried out immediately after the World War II. The pamphlet is in poor condition.

Journal, hardcover, red, titled "Greater India Research Expedition Season 1935-1936 Field Note Book" containing pencil and ink notes and site drawings.

Two Journals, hardcover, red, containing "Greater India Research Expedition Season 1935-1936", handwritten journals of Wales' survey mainly in Sri Thep, Thailand. Two further notebooks, bound in green (black), hardback, containing "Compass Survey of Sri Dheb in Siam".