1. Wilbur A. Sawyer and workers from the headquarters of Unit No.1, Amphur Sansai, near Chiengmai, Siam Publication: Produced: [7 March 1921] Subject(s): Hookworm InfectionsThailand Archival Collection: The Wilbur A. Sawyer Papers (Profiles in Science)
2. 1997 Thailand population data sheet Publication: Bangkok : Chulalongkorn University, Institute of Population Studies, [199-] Subject(s): DemographyThailand
3. Thai Association for Voluntary Sterilization Publication: Bangkok : Thai Association for Voluntary Sterilization, [1983] Subject(s): Sterilization, Reproductive -- statistics & numerical dataThailand
4. Population & family planning in Thailand Publication: Thailand : National Family Planning Program, Ministry of Public Health : Mahidol University, Institute for Population and Social Research, [198-?] Subject(s): Contraception Behavior -- statistics & numerical dataDemographyThailand
