Books by O. A. Johannsen
Total count: 19
Aquatic nematocerous diptera. (I)University of the State of New York1903-01-01
The fungus gnats of North America, part IMaine Agricultural Experiment Station1909-01-01
Insect notes for 1909Maine Agricultural Experiment Station1910-01-01
The fungus gnats of North America, part IIMaine Agricultural Experiment Station1910-01-01
Insect notes for 1911Maine Agricultural Experiment Station1911-01-01
The fungus gnats of North America, part IIIMaine Agricultural Experiment Station1911-01-01
Insect notes for 1910Maine Agricultural Experiment Station1911-01-01
The fungus gnats of North America, part IVMaine Agricultural Experiment Station1912-01-01
Insect notes for 1912Maine Agricultural Experiment Station1912-01-01
Spruce bud worm and spruce leaf minersMaine Agricultural Experiment Station1913-01-01
Potato flea-beetle (Epitrix cucumeris)Maine Agricultural Experiment Station1913-01-01
Genera of plancton organisms of the Cayuga lake basinLimnological Laboratory of the Dept. of Entomology in Cornell University1915-01-01
Embryology of insects and myriapodsthe developmental history of insects, centipedes, and millepedes from egg desposition [!] to hatching1st ed.McGraw-Hill Book Company, inc.1941-01-01