L

Leonard Porter Ayres

1879 – 1946

70 books found

Books by Leonard Porter Ayres
Open-air schoolsLeonard Porter Ayres
⏱ 2h 51m

Open-air schools

Leonard Porter Ayres

1910171 pp.
Laggards in our schoolsLeonard Porter Ayres
⏱ 3h 56m

Laggards in our schools

Leonard Porter Ayres

1909236 pp.
A Measuring Scale for Ability in SpellingLeonard Porter Ayres
⏱ 1h 2m

A Measuring Scale for Ability in Spelling

Leonard Porter Ayres

201862 pp.
The money cost of repetition versus the money saving through accelerationLeonard Porter Ayres
⏱ 12m

The money cost of repetition versus the money saving through acceleration

Leonard Porter Ayres

191212 pp.
The Binet-Simon measuring scale for intelligenceLeonard Porter Ayres
⏱ 12m

The Binet-Simon measuring scale for intelligence

Leonard Porter Ayres

191112 pp.
An index number for state school systemsLeonard Porter Ayres
⏱ 1h 10m

An index number for state school systems

Leonard Porter Ayres

192070 pp.
The Cleveland school surveyLeonard Porter Ayres
⏱ 6h 3m

The Cleveland school survey

Leonard Porter Ayres

1917363 pp.
Health Work in the Public SchoolsLeonard Porter Ayres
⏱ 40m

Health Work in the Public Schools

Leonard Porter Ayres

201540 pp.
Turning points in business cyclesLeonard Porter Ayres
⏱ 3h 34m

Turning points in business cycles

Leonard Porter Ayres

1939214 pp.
Health work in public schoolsLeonard Porter Ayres
⏱ 59m

Health work in public schools

Leonard Porter Ayres

191559 pp.
The prospects for building construction in American citiesLeonard Porter Ayres
⏱ 35m

The prospects for building construction in American cities

Leonard Porter Ayres

192235 pp.
Measuring scale for handwritingLeonard Porter Ayres

Measuring scale for handwriting

Leonard Porter Ayres

1912No page data
A measuring scale for ability in spellingLeonard Porter Ayres
⏱ 58m

A measuring scale for ability in spelling

Leonard Porter Ayres

191558 pp.
The relative responsibility of school and society for the over-age child ..Leonard Porter Ayres

The relative responsibility of school and society for the over-age child ..

Leonard Porter Ayres

1911No page data
A scale for measuring the quality of handwriting of school childrenLeonard Porter Ayres
⏱ 17m

A scale for measuring the quality of handwriting of school children

Leonard Porter Ayres

191217 pp.
The relation of physical defects to school progressLeonard Porter Ayres

The relation of physical defects to school progress

Leonard Porter Ayres

1909No page data
Medical inspection legislationLeonard Porter Ayres
⏱ 53m

Medical inspection legislation

Leonard Porter Ayres

191153 pp.
Business recovery following depressionLeonard Porter Ayres
⏱ 31m

Business recovery following depression

Leonard Porter Ayres

192231 pp.
The automobile industry and its futureLeonard Porter Ayres
⏱ 32m

The automobile industry and its future

Leonard Porter Ayres

192132 pp.
Child accounting in the public schoolsLeonard Porter Ayres
⏱ 1h 8m

Child accounting in the public schools

Leonard Porter Ayres

191568 pp.