1. Hyperphoria: diagnosis and treatment;White;Arch. Ophth.,1932
2. Hyperphoria;Scobee;Arch. Ophth.,1950
3. Diagnosis and treatment of anisophoria;Friedenwald;Arch. Ophth.,1936
4. Researches in Binocular Vision;Ogle,1950
5. Hyperphoria induced by trial lenses;Schillinger;Am. J. Ophth.,1951