Alexander Ecker

On the Convolutions of the Human Brain, Tr. by J.C. Galton

The Anatomy of the Frog

Lorenz Oken, a Biographical Sketch, or, in Memoriam of the Centenary of His Birth

The Anatomy of the Frog (Classic Reprint)

Anatomie des Frosches

A. Ecker's und R. Wiedersheim's Anatomie des Frosches; Volume 1

Die Anatomie des Frosches