[75th Anniversary of prof. Dr. R. Dittler, 2 November, 1957].
D000846:Anniversaries and Special Events; D005197:Famous Persons; D049672:History, 19th Century; D049673:History, 20th Century
BIOGRAPHIES; FAMOUS PEOPLE
Prof. Dr. R. Dittler 75 Jahre zum 2. November 1956.