1917
Eugen Ehrlich
The National Problems in Austria
In International Congress for the study of the principles of a durable peace (Berne, 1916)
The Hague : Martinus Nijhoff, 1917. 45 p.
1917
Eugen Ehrlich
The National Problems in Austria
In International Congress for the study of the principles of a durable peace (Berne, 1916)
The Hague : Martinus Nijhoff, 1917. 45 p.