Martha Frick Symington Sanger

Martha Frick Sanger ( Symington; born 1941) is an American writer and the great-granddaughter of Henry Clay Frick.

Works

 * Helen Clay Frick: Bittersweet Heiress, biography (Pittsburgh: University of Pittsburgh Press, 2007)
 * The Henry Clay Frick Houses: Architecture-Interiors-Landscapes In the Golden Era, nonfiction (New York: Monacelli Press, 2001)
 * Henry Clay Frick: An Intimate Portrait, biography (New York: Abbeville Press, 1998)