Dictionary พจนานุกรม
Royal Institute Dictionary: meanings in Thai
ETD: Thai-English dictionary
Lexitron-Thaitux: Thai-English dictionary
Lexitron-Meelink: Thai-English dictionary
Longdo: Thai-English dictionary
Thai language: Thai-English dictionary
Tha2English: Thai-English dictionary
usual expressions with sound
usual expressions Thai-English
with sound (Loecsen)
vocabulary & usual phrases (video)
basic vocabulary (with sound) - civil
affaires - medical (Defense
Language Institute)
English-Siamese pronouncing
hand-book by George McFarland (1900)
English-Siamese dictionary
& idiomatic expressions by George McFarland (1903)
Siamese-English dictionary
by Edward Blair Michell (1892)
Siamese-French-English
dictionary by Jean-Baptiste Pallegoix & Jean-Louis Vey (1896)
Dictionnaire français-siamois:
French-Siamese dictionary by Luang Riem Virajbhakaya (1924)
Thai keyboard
Thai alphabet & pronunciation (video)
pronunciation & basic grammar
Thai course & vocabulary
(with sound)
Thai course (with sound)
Thai course [PDF]
(US Departement of State)
Elementary hand-book of the
Siamese language by Basil Osborn Cartwright (1906)
Elements of Siamese
grammar by Oscar Frankfurter (1900) 
books about Thai language: Google books
& Internet
archive
small stories & Aesop's
fables (with sound)
The Gospel of Matthew: translation in Thai
(1857)
New Testament [PDF]
มนุษย์ทั้งหลายเกิดมาอิสระเสรี และเท่าเทียมกันทั้งศักดิ์ศรีและสิทธิ
ทุกคนได้รับการประสิทธิประสาทเหตุผล และมโนธรรม และควรปฏิบัติต่อกันอย่างฉันพี่น้อง
First article in many languages
Declaration of Human Rights: bilingual text in Thai & other languages

Thailand: maps, symboles, heritage & documents