A survey of secondary mathematics teachers' attitudes toward the high school geometry courseGeorge Woodward Gearhart, Harvard University. Graduate School of Education · First published 1974Open the Tome
A review and analysis of the use of geometric transformations in secondary mathematicsGeorge Gearhart, Harvard University. Graduate School of Education · First published 1972Open the Tome
Key to geometryNewton Hawley, Patrick Suppes, George Gearhart, Peter Rasmussen · First published 1972Open the Tome
