![]() | Butterfield, H., A History of Subtropical Fruits and Nuts in California.Berkeley: University of California, Agricultural Experiment Station, 1963. |
![]() | The Citrus Industry Rev. Ed. (Volumes 1 and 2) |
![]() | Condit, Ira J., A. N. Benemerito, and Wang Hao Chen Citrus Fruits and their Culture in Kwangtung Province, South China |