1. Flora of doi suthep, doi pui, chiengmai, north thailand
J.O. Sawyer, Jr. and Chirayapin Chermsitivathana

2. Identification of leaf warblers in thailand
Joe T. Marshall, Jr. and Somsak Pantuwattana

3. On a collection of orchids from laos
Allen D. Kerr

4. On the ornithology of the rhino sanctuary udjong kulon in west java (indonesia)
A. Hoogerwerf

5. Plants named in honour of the late h.h. prince disakumara krom phraya damrong rachanuphap
Tem Smitinand

6. Report on the second flora of thailand expedition, july-august 1968
Kai Larsen and Esbern Warncke

7. The distribution of the dipterocarpaceae in thailand
Tem Smitinand

8. Vertebrate ecology of bang phra
Somsak Pantuwatana, Somchai Imlarp and Joe. T. Marshall, Jr.