Leonard, M.B. 1933. NOTES ON INSECT CONDITIONS IN PUERTO RICO FOR THE FISCAL YEAR, JULY 1931 THRU JUNE 1932. The Journal of Agriculture of the University of Puerto Rico. 17, 2 (Apr. 1933), 97–137. DOI:https://doi.org/10.46429/jaupr.v17i2.14245.