Among her most important works are biographical sketches about members of the Bustill family, as well as her Reminiscences of Colored People of Princeton, N.J., 1800–1900, which was a study of Princeton's Black community that was published in 1913.
In 1880, she resided with her parents in Lower Oxford, Chester County, Pennsylvania.
[10] Anna Bustill Smith remained in Philadelphia until her death in August 1945.
Her funeral was held on August 10, 1945, at the Jennie Morris funeral parlor, 717 South 19th Street in Philadelphia, and she was buried in Princeton, New Jersey.
She was survived by her children: daughters Anna Smith of Philadelphia and Mrs. Virgie S. Rhetta of Chicago, sons John Smith of Chicago and Curtis Smith of Los Angeles, grandchildren Lieutenant Carl W. Rhetta and Staff Sergeant J. Curtis Rhetta, and one great-grandchild, J. Curtis Rhetta, Jr.[11]