The useful and ornamental plants in Trinidad and Tobago/
by R.O. Wiliiams and R.O. Williams Jr.-
- Rev. 4th ed.-
- [Port-of-Spain] : Government Printery, 1969.
- 335 p.
"Original edition by W.G. Freeman and R.O. Williams."
Botany, Economic. Botany --Trinidad and Tobago.Trinidad and Tobago. Plants, Ornamental --Trinidad and Tobago.