This series includes Dalis' correspondence with colleagues, friends, family, and fans. Correspondence ranges from letters and telegrams to postcards which detail Dalis' wide network of colleagues and her connection to her family during her travels.

This series includes Dalis' correspondence with colleagues, friends, family, and fans. Correspondence ranges from letters and telegrams to postcards which detail Dalis' wide network of colleagues and her connection to her family during her travels.

This series includes Dalis' correspondence with colleagues, friends, family, and fans. Correspondence ranges from letters and telegrams to postcards which detail Dalis' wide network of colleagues and her connection to her family during her travels.

This series includes Dalis' correspondence with colleagues, friends, family, and fans. Correspondence ranges from letters and telegrams to postcards which detail Dalis' wide network of colleagues and her connection to her family during her travels.

This series includes Dalis' correspondence with colleagues, friends, family, and fans. Correspondence ranges from letters and telegrams to postcards which detail Dalis' wide network of colleagues and her connection to her family during her travels.

This series includes Dalis' correspondence with colleagues, friends, family, and fans. Correspondence ranges from letters and telegrams to postcards which detail Dalis' wide network of colleagues and her connection to her family during her travels.

The Career series includes performance reviews, performance programs, notes, correspondence, pamphlets, school documents, and other printed matter relating to Dalis' mezzo-soprano singing career from Europe to New York. The series includes documents regarding the Bayreuth Festival and Dalis' involvement with the San Francisco Opera.

This series includes articles and clippings from magazines or newspapers that directly mention Irene Dalis or appear to be items that she collected pertaining to opera or the music industry. “Clippings” refers to newspaper cut-outs and other loose pages from various publications.

This series consists of certificates, commendations, honorary degrees, medals, plaques, pins, and other related material awarded to Dalis throughout her career and for her philanthropic endeavors. It also includes memorabilia and keepsakes kept throughout Irene Dalis' lifetime, such as scrapbooks, programs from performances she attended, souvenirs, and more.