Represents in large measure, the Copper and Wills families on his side of the family and the Green Hawkins and Sharpless families on her side of the family.
In the E. Newbold Cooper part of the collection, there are two principal authors: Dorothy Nyhart Cooper (1898-1990) whose papers, in box 1 of the collection, include correspondence, a manuscript and other papers. Correspondents include: Hugh Borton, Harold Ickes, Nelson Rockefeller. These papers develop topics relating to Cooper’s family, career and activities and E. Newbold Cooper (1898-1957) whose papers, in boxes 3 and 4 of the collection, include correspondence, a diary of a trip in 1925, including to Woodbrooke, a Quaker study center in Birmingham, England, papers relating to his tenure at Girard College, poems, speeches and biographical information. Cooper’s correspondents include: Werner Eichholz, Dwight D. Eisenhower, August Lorey Sr. & Jr., Paul Schulz. Of especially significant content are the letters of August Lorey, Jr. written from Germany offering a view of Nazi and post-World War II Germany.
There are two journals of Rebecca K. Cooper (box 5), several commonplace books which belonged to Susan Richardson (box 6), Hannah Wills (box 6), and Ann Wills (box 6). There are two boxes of photographs (boxes 7 & 8) of the Cooper and Nyhart families.
In the Margaret Hawkins part of the collection (box 9) are papers of the U.S. Indian agent, Albert L. Green (1846?-1947) who lived in Beatrice, Nebraska which include a copy of his manuscript on languages of the Otoes, Iowas and Missouris. Here, too, are Green-Hawkins family letters and genealogical information.