se[1] was discovered on May 10, 1913 by Edith M. Wallace as a
spontaneous mutation. See http://flybase.org/reports/FBal0015397.html.
The primary reference is Bridges, C.B., Morgan, T.H. (1923). The
third-chromosome group of mutant characters of Drosophila melanogaster.
Publs Carnegie Instn 327: 1--251.