The birds of northern Thailand. [An account of the birds of Chiang Rae Province and those parts of the provinces of the Mae Hong Son, Chiang Mai, Lamphun, Lampang, Phrae, and Nan lying north of latitude 17°47' N.]
- 1 January 1945
- journal article
- Published by Smithsonian Institution in Bulletin of the United States National Museum
- No. 186,p. 1-616
- https://doi.org/10.5479/si.03629236.186.1