Report on agricultural investigations in Porto Rico, 1905 /
by D.W. May.
- Washington ; G.P.O., 1906.
- 47 p., [7] leaves of plates ; ill. ; 23 cm.
- Bulletin / U.S. Department of Agriculture. Office of Experiment Stations ; no. 171 .
- United States. Office of Experiment Stations. Bulletin ; no. 171. .