One feature of the collection is its extensive holdings of vintage and contemporary photographs, including comprehensive surveys of the works of Gertrude Käsebier and Clarence Hudson White.

[2] Jones' gift of several hundred important works from his personal collection was the outgrowth of a relationship that University of Delaware professor William Homer established in the early 1990s.

[3] After negotiations regarding the conservation of the work and its pedagogical use, including outreach to historically black colleges and universities, Jones effected the gift in 2001.

[4] The Jones collection is considered the most comprehensive collection of 18th, 19th and 20th century African American art and includes important works by Kofi Bailey, Romare Bearden, Selma Burke, Elizabeth Catlett, Robert Colescott, David Driskell, David Hammons, Lonnie Holley, Wifredo Lam, Jacob Lawrence, Hughie Lee-Smith, Edward L. Loper, Sr., Eugene J. Martin and P. H.

[5] The Mineralogical Museum was created in 1964 with the gift of Irénée du Pont's personal collection of mineral specimens, which he had acquired from George Frederick Kunz in 1919.