Named for three sisters (Theresa, Mary, Persis) who were the first women graduates of Trinity College (in 1878.) It serves as a dormitory.

Built as the Science Building for the Women's College, the building was renovated in 1969 to become the home for the Duke University Museum of Art. In 2004, the collection was moved to the Nasher Museum, and the building was again renovated to house "Cultural Anthropology, Literature, African and African-American Studies, Latino/a Studies, Critical US Studies, and the Duke Human Rights Center."

Named after Julian Carr, the Carr building was constructed as, and remains, an academic building.

Built in 1922-3, opened in 1924, and named as a memorial to Trinity College students who died in World War I, Memorial Gym cost $150,000 to build. The gym served as a replacement for the Angier B. Duke gymnasium, and $25,000 was provided by Angier (who graduated from Trinity in 1905) and his sister Mary.

The people of Durham raised funds through a subscription drive to build Southgate dormitory, and name it in honor of James H. Southgate, Chairman of the Trinity Board of Trustees. Then Trinity President William Preston Few issued this statement regarding the fundraising drive to construct the building

Named for North Carolina governor Thomas Jarvis (1879-1885), Jarvis was built as a companion dormitory to Aycock, across what architect CC Hook called "The Yard."

Named for North Carolina governor Charles Aycock (1900-1904) Aycock was built as a one of a pair of dormitories (with Jarvis) that framed what architect CC Hook called "The Yard."

The West Duke Building contained the college barbershop, bookstore, post office, and held a theater in the basement. The psychology (and parapsychology) departments were located on the 2nd floor after 1935.

The East and West Duke Buildings were under design before the Washington Duke Building burned in 1911; the plan was already being developed to demolish Old Main and replace it with two new academic and administrative buildings. East Duke served as the administration building for Trinity College and, later, for the Women's College.