Background and Context

Historical dictionary of Thailand, by Gerald W. Fry, Gayla S. Nieminen, and Harold E. Smith. Third edition. Lanham : The Scarecrow Press, Inc., 2013, 662 pages
HOLLIS Record
Internet Archive Full Text (1995 ed.)

Newspapers

Matichon - Matichon is a major Thai-language national daily newspaper. It was founded by a group of progressive writers in 1978, when the country was emerging from the authoritarian government that followed the 6 October 1976 Massacre.

Thai Newspaper Collection During World War II (Kyoto Univ.)
 

Scholarly Journals

Rangsit Journal of Social Sciences and Humanities (RJSH)
An open-access international scholarly journal published in Thailand, with articles in English