The collection is open to all members of the public in accordance with state law. The
original audiocassettes are restricted. Users must access the network copy available in
the archives.
The researcher assumes full responsibility for conforming with the laws of libel,
privacy, and copyright which may be involved in the use of this collection (Wisconsin
Statutes 19.21-19.39).
A Fromkin Oral History interview by Stanley Mallach and Joseph Broderick with Harold
Christoffel. The transcription was by Edward Hatton and Stanley Mallach. The interview was
conducted at Mr. Christoffel's home by Stanley Mallach and Joe Broderick on 23 June
1987.
Mark A. Vargas processed the collection at the Archives in May 1994.