Author
University of Puerto Rico (Río Piedras Campus). Agricultural Experiment Station
10 results
United States. Bureau of the Census
9 results
United States. Office of Experiment Stations
9 results
Puerto Rico. Department of Agriculture and Commerce
8 results
Puerto Rico. Bureau of Supplies, Printing, and Transportation
5 results
Porto Rico Agricultural Experiment Station
4 results
Federal Experiment Station in Puerto Rico
3 results
Puerto Rico Experiment Station
3 results
Puerto Rico. Insular Experiment Station
3 results
Puerto Rico Agricultural Experiment Station
2 results
Puerto Rico. Board of Commissioners of Agriculture
2 results
Puerto Rico. Department of Agriculture
2 results
Puerto Rico. Department of Agriculture and Labor
2 results
Food and Agriculture Organization of the United Nations
1 results
Gil-Bermejo García, Juana
1 results
Koenig, Nathan, 1907-
1 results
Morris, Gregory L.
1 results
Picó, Rafael, 1912-
1 results
Puerto Rico
1 results
Puerto Rico. Board of Commissioners of Agriculture. Experiment Station
1 results
Studies in geography (Evanston, Ill.)
1 results
United States. Department of Agriculture
1 results
University of Puerto Rico (1903-1966)
1 results
University of Puerto Rico (Mayagüez Campus). Agricultural Experiment Station
1 results
University of Puerto Rico. Institute of Tropical Agriculture, Mayaguez
1 results
University of Puerto Rico. Institute of Tropical Agriculture, Mayaguez
1 results
William and Marian Haas Research Fund
1 results