Otto von Habsburg; Crown Prince of Austria-Hungary (1916-18); son of Emperor Charles I of Austria and of Zita of Bourbon-Parma; writer; publicist and politician (CSU); Reichenau an der Rax 20. 11. 1912 - P鯿king (Bavaria) 4. 7. 2011.- "Crown Prince Otto and Archduchess Adelheid". -(Crown Prince Otto; right; with his sister Adelheid; 1914-1971).Foto (studio shot); Atelier d'Ora (Dora Kallmus; 1881-1963); Vienna. Edited as postcard by the Neue Photographische Gesellschaft; Berlin-Steglitz; (c. 1916).Private collection.