A Measuring Scale for Ability in SpellingLeonard Porter Ayres · First published 1915 · Latest edition 2018Open the Tome
The prospects for building construction in American citiesLeonard Porter Ayres · First published 1922Open the Tome
The effect of promotion rates on school efficiencyLeonard Porter Ayres · First published 1913Open the Tome
A scale for measuring the quality of handwriting of school childrenLeonard Porter Ayres · First published 1912Open the Tome
The money cost of repetition versus the money saving through accelerationLeonard Porter Ayres · First published 1912Open the Tome
The Binet-Simon measuring scale for intelligenceLeonard Porter Ayres · First published 1911Open the Tome
The relative responsibility of school and society for the over-age child ..Leonard Porter Ayres · First published 1911Open the Tome
The relation of physical defects to school progressLeonard Porter Ayres · First published 1909Open the Tome
