This sub-series pertains to famous composers and musicians from the nineteenth to twentieth century. A large portion of the research is on Rudolph Friml and range from well known to less commonly recognized musicians. Music produced by several of the composers are included alongside their biographical information. Some of the original folders had the composer's birth and death dates which were kept. Musicians whom John Franscischina noted he did not use in his book were reiterated in the notes section of those specific composers.