Linguistics and evolutionary theory : three essays / by August Schleicher, Ernst Haeckel and Wilhelm Bleek ; with an introd. by J. Peter Maher ; ed. by Konrad Koerner

Linguistics and evolutionary theory : three essays / by August Schleicher, Ernst Haeckel and Wilhelm Bleek ; with an introd. by J. Peter Maher ; ed. by Konrad Koerner