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<2) Harrington, George T., and Crocker, William. 
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(3) Henderson, M. P. 
1918. The black-leg disease of cabbage caused by Phoma lingam 
(Tode) Desmaz. In Phytopathology, v. 8, no. 8, p. 379-431, 
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(5) Kincer, Joseph Burton. 
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(8) Norton, J. B. S. 
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(9) Robinson, T. R. 
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(10) Waggoner, H. D. 
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(11) Walker, J. C. 
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(12) and Tisdale, W. B. 
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