1956-1980, (bulk 1956-1957).
Origination : Hellrung, Robert T.Robert T Hellrung Notre Dame Ring file (ZAS), University of Notre Dame Archives (UNDA), Notre Dame, IN 46556
Correspondence and court papers accumulated by Hellrung regarding the adoption of an official Notre Dame class ring in 1930 and his testimony in the John Roberts Manufacturing Company's 1956 suit against the University.
As president of the Student Activities Council in 1930, Hellrung was in charge of designing the class of 1931's ring.