The papers highlight Montgomery's career and leadership roles in several organizations, programs, and projects in support of music, education and the arts. The collection primarily contains business papers and materials related to Montgomery's long association and presidency with the National Federation of Music Clubs, her presidency with the National Music Council and association with the International Music Council, career with music publishing firm Carl Fischer Inc., management of the Bicentennial Parade of American Music, scholarly work on the Scribner Music Library, leadership roles with Mu Phi Epsilon, Musicians Club of New York, New York City Opera Guild, and the New York Philomusica Chamber Music Ensemble, and her alumni activities with the University of Rochester and Eastman School of Music. In addition, there is some personal material, including correspondence with family, most notably her husband A. Walter Kramer, and friends; photographs; and biographical documents and clippings. There is professional correspondence throughout the collection; publicity photographs of Montgomery and various musicians and performers whom she promoted; and promotional and publicity materials, including programs, that span her career and reflect her personal interests and professional activities in the music, education, and arts fields. The collection also includes clippings and a small selection of arts and cultural publications.