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100 years of The Journal of Agriculture of the University of Puerto Rico 1917-2017
(University of Puerto Rico Mayagüez Campus Agricultural Experiment Station, 2017)
Lady beetles of Puerto Rico (Coleoptera: Coccinellidae)Las mariquitas de Puerto Rico (Coleoptera: Coccinellidae)
(University of Puerto Rico Mayagüez Campus Agricultural Experiment Station, 2021)
Historical trajectory of the agricultural vocational schools in Puerto RicoTrayectoria histórica de las escuelas ocupacionales agrícolas en Puerto Rico
(University of Puerto Rico Mayagüez Campus Agricultural Experiment Station, 2021)
On the Climate of Puerto Rico and its Agricultural Water BalanceTítulo en español.
(University of Puerto Rico Mayagüez Campus Agricultural Experiment Station, 1976)
AN ECOLOGICAL SURVEY OF THE FRESH WATER INSECTS OF PUERTO RICO 1. THE ODONATA: WITH NEW LIFE-HISTORIESTítulo en español.
(University of Puerto Rico Mayagüez Campus Agricultural Experiment Station, 1938)
The Flora of Desecheo Island, Puerto RicoTítulo en español.
(University of Puerto Rico Mayagüez Campus Agricultural Experiment Station, 1971)
The legacy of Juan Torres to entomological knowledge In Puerto RicoLegado de Juan A. Torres al conocimiento entomológico en Puerto Rico
(University of Puerto Rico Mayagüez Campus Agricultural Experiment Station, 2017)
HISTORY AND CAUSE OF THE RIND DISEASE OF SUGAR CANE
(University of Puerto Rico Mayagüez Campus Agricultural Experiment Station, 1917)
THE WHITE-GRUBS INJURING SUGAR CANE IN PORTO RICOTítulo en español
(University of Puerto Rico Mayagüez Campus Agricultural Experiment Station, 1917)
Review of the auchenorynchous homoptera of Puerto Rico" part ii. The fulgoroidea except kinnaridaeTítulo en español.
(University of Puerto Rico Mayagüez Campus Agricultural Experiment Station, 1950)