The collection contains administrative documents, letters of support, remarks, photographs, and ephemera gathered by David Hahn, business manager of the École Libre des Hautes Études.

This collection is comprised of materials relating to The Mannes College of Music (as of 2024, Mannes School of Music, part of the College of Performing Arts at The New School) commencement and other ceremonies between 1961 and 2013. The collection includes programs from commencements, recognition ceremonies, and dean’s receptions, as well as speech transcripts and correspondence.

Collection consists of printed materials produced for The New School and Parsons School of Design's commencement and convocation ceremonies, as well as presidential inauguration ceremonies for New School presidents, and other milestone events celebrated during convocation and commencement, such as anniversaries of the Graduate Faculty of the New School for Social Research.

This collection includes materials created by The New School staff affinity group Staff on Race for the event, "Staff on Race Presents: Race at The New School with Tim Wise and Thelma Armstrong," held on October 7, 2019 during the Festival of New, celebrating the university's centennial.

Two items, a snapshot and an event program, related to a performance of the Red Dancers at the Workers Dance League's First Workers' Dance Spartakiade, held at The New School in 1933.