Frederic G Higbee, . (1957). 101 Problems in Drawing Board Geometry. New York: John Wiley & Sons.
Frederic G Higbee, . 1957. 101 Problems in Drawing Board Geometry. New York: John Wiley & Sons.
Frederic G Higbee, . 101 Problems in Drawing Board Geometry. New York: John Wiley & Sons. 1957.