Leonard Porter Ayres

Health Work in the Public Schools

Leonard Porter Ayres

$9.82 - $29.95

The Prospects for Building Construction in American Cities

Leonard Porter Ayres

$26.95

The Public Library And The Public Schools...

Leonard Porter Ayres

$30.95

The Automobile Industry And Its Future...

Leonard Porter Ayres

$13.91

The Cleveland survey of the administration of criminal justice [electronic resource]: an address delivered before the City Club of Cleveland, February 18, 1922

Leonard Porter Ayres

Out of Stock

Business Recovery Following Depression...

Leonard Porter Ayres

$13.91

School Buildings and Equipment, Issue 9

Leonard Porter Ayres

$20.25 - $30.95

The war With Germany; a Statistical Summary

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$12.39 - $31.95

Cleveland Education Survey, Volume 20

Leonard Porter Ayres

Out of Stock

Essays

Leonard Porter Ayres

$22.56 - $32.95

The Chief Cause of this and Other Depressions

Leonard Porter Ayres

$21.95 - $33.95

Price Changes And Business Prospects...

Leonard Porter Ayres

$13.91 - $16.59

Laggards in Our Schools; A Study of Retardation and Elimination in City School Systems

Leonard Porter Ayres

$26.95 - $43.44

Open-Air Schools

Leonard Porter Ayres

$22.56 - $42.54

The Public Schools of Springfield, Illinois: Educational Section of the Springfield Survey Conducted Under the Direction of Leonard P. Ayres, PH. D.

Leonard Porter Ayres

$17.76 - $31.95

The Relation Of Physical Defects To School Progress, Issues 61-138...

Leonard Porter Ayres

$26.95

A Measuring Scale For Ability In Spelling

Leonard Porter Ayres

$18.42 - $34.95

Medical Inspection Legislation (Classic Reprint)

Leonard Porter Ayres

$29.95

School Organization and Administration

Leonard Porter Ayres

$30.95

Turning Points In Business Cycles

Leonard Porter Ayres

Out of Stock

The Cleveland School Survey: Summary Volume

Leonard Porter Ayres

$36.95

Child Accounting In The Public Schools (1915)

Leonard Porter Ayres

$21.66 - $29.95

The Cleveland School Survey: Summary Volume, Issue 16

Leonard Porter Ayres

$24.95 - $36.95

Some Conditions Affecting Problems of Industrial Education in 78 American School Systems

Leonard Porter Ayres

$26.95

Provision for Exceptional Children in Public Schools

Leonard Porter Ayres

Out of Stock

The Cleveland Survey, of the Administration, of Criminal Justice, 1922

Leonard Porter Ayres

$13.91 - $26.95

An Index Number for State School Systems

Leonard Porter Ayres

$29.95

A Scale for Measuring the Quality of Handwriting of Adults

Leonard Porter Ayres

$26.95

Laggards In Our Schools

Leonard Porter Ayres

$22.95 - $33.95

The Automobile Industry And Its Future

Leonard Porter Ayres

$26.95