The series has been divided into subseries pertaining to Charles Schwab, Eugene Grace, Individuals, Board of Directors, and Group photographs. In addition to portraits of these men, there are views of their estates (including Schwab's "Riverside" in Manhattan designed by architect Maurice Herbert (dates unknown) and "Immergrun," his Loretto, Pennsylvania, estate with gardens designed by Charles Wellford Leavitt (1871-1928) in 1915), travel photographs, and personal items. There is another file of ninety-five portraits of men who were related to the steel industry.