The majority of the collection consists of autographs
and autographed photographs of famous composers, conductors, and vocalists from
the early 20th century.
Irving Rittman was a sophisticated music lover and avid concert-goer, and as
a result, was able to meet many reknowned musicians who performed in the Los
Property rights to the physical object belong to the UC Regents. Literary rights, including copyright, are retained by the
creators and their heirs. It is the responsibility of the researcher to determine who holds the copyright and pursue the copyright
owner or his or her heir for permission to publish where The UC Regents do not hold the copyright.