مراجع
- ^ Many architecture scholars have misidentified Roberts' parents; mistakenly stating that Wright's client تشارلز إي. روبرتس was her father. He was not. See for example: The Architecture of Frank Lloyd Wright, by William Allin Storer, Second Edition, p. 150. Isabel Roberts' father, James H. Roberts was the son of William and Sarah Roberts of Utica, New York. Charles E. Roberts was the son of David and Elizabeth Roberts. Charles E. Roberts and James H. Roberts were not siblings, in fact, no family connection has been found between these two men.
- ^ 1900 United States Census
- ^ United States Census 1880
