Ben Sonnenberg, Jr., is a writer and editor best known for founding Grand Street, a New York literary quarterly, which he edited from 1981 until his retirement in 1989; the magazine continued for another fifteen years before it finally ceased publication in the fall of 2004. The bulk of the collection comprises correspondence between Ben Sonnenberg, Jr. and literary contributors associated with Grand Street. Some Grand Street administrative files and a small amount of personal material, including family letters and writings, are also included.