Yositirô Umeya
STUDIES ON THE VIGOR OF SILKWORMS, BOMBYX MORI L
Genetics 1930 15: 189–204
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Helen Redfield
CROSSING OVER IN THE THIRD CHROMOSOMES OF TRIPLOIDS OF DROSOPHILA MELANOGASTER
Genetics 1930 15: 205–252
[PDF]  

Merle T. Jenkins and Martin A. Bell
THE INHERITANCE, INTERACTIONS AND LINKAGE RELATIONS OF GENES CAUSING YELLOW SEEDLINGS IN MAIZE
Genetics 1930 15: 253–282
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