1. I. on a collection of ferns from thailand.
None

2. Identification keys to genera and species of the dipterocarpaceae of thailand.
Tem Smitinand

3. Thailand forest soils.
P. Bloch

4. The flowering of teak (tectona grandis) in aspects of tree breeding.
K. Gram and C. Syrach Larsen

5. The genus eria lindley (orchidaceae) in thailand.
Tem Smitinand