The mud puppy, an enemy of fish? /
Lagler, Karl F.
The mud puppy, an enemy of fish? / K. F. Lagler and K. E. Goellner - [S.l. : s.n.], 1939 - 4 p. : ill. ; 26 cm - Michigan conservation .
The mud puppy, an enemy of fish? / K. F. Lagler and K. E. Goellner - [S.l. : s.n.], 1939 - 4 p. : ill. ; 26 cm - Michigan conservation .