The journal of the Department of Agriculture of Porto Rico - Puerto Rico. Department of Agriculture; Labor.; Puerto Rico. Department of Agriculture.; Puerto Rico. Department of Agriculture; Commerce. (San Juan, P.R, Dept. of Agriculture and Labor, 1917-1933, 1919)
https://www.biodiversitylibrary.org/bibliography/143341
Keywords: Agriculture|Botany|Experimentation|Periodicals|Puerto Rico|