Caption: "Spraying of cotton oil emulsion for the control of the cotton aphis." RF photo #21224l.
Rockefeller Archive Center, Rockefeller Foundation records, photographs, series 601, box 143, folder 2658
To the extent that the donor owns copyright in these materials, he/she has given the Rockefeller Archive Center the authority to grant permission to cite and publish material from the collection for scholarly purposes; however, copyright in some items may be held by their respective creators. Please consult an archivist for further details.