ID:DA07530920
Johannsen, Oskar A.
Johannsen, O. A.
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by Oskar A. Johannsen and Ferdinand H. Butt
McGraw-Hill 1941 McGraw-Hill publications in the zoological sciences
Available at 5 libraries
by William A. Riley and Oskar A. Johannsen
McGraw-Hill 1938 2nd ed McGraw-Hill publications in the zoological sciences
Available at 9 libraries
O.A. Johannsen
Cornell University 1935 Memoir / Cornell University, Agricultural Experiment Station 177 . Aquatic diptera ; pt. 2
Available at 1 libraries
Cornell University 1933 Memoir / Cornell University, Agricultural Experiment Station 164 . Aquatic diptera ; pt. 1
McGraw-Hill 1932 McGraw-Hill publications in the zoological sciences
Available at 6 libraries
by B.F. Kingsbury and O.A. Johannsen
J. Wiley , Chapman & Hall 1927
[by] Wm. A. Riley and O. A. Johannsen
Comstock Publishing Company 1915
Available at 16 libraries
by Oskar A. Johannsen
[s.n.] [1909] Genera insectorum / dirigés par P. Wytsman [fasc. 93]
Available at 2 libraries