Volksabstimmungen: 1919-33 
Blau 2139 Z 

Wambaugh, Sarah: Plebiscites since the 
World War. with a collection of official 
documents. [Illustr.] Vol.1.2. -Washington 
1933. 4° 
(Publications of the Carnegie Endowment 
for International Peace. Division of International 
Law.) 
Volksabstimmungen: 1919-33