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Leonard Porter Ayres

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Laggards In Our Schools - A Study Of Retardation And Elimination In City School Systems
Laggards In Our Schools - A Stud... Leonard Porter Ayres
46,70 €
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Child Accounting In The Public Schools (1915)
Child Accounting In The Public S... Leonard Porter Ayres
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Laggards In Our Schools
Laggards In Our Schools Leonard Porter Ayres
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The Automobile Industry and Its Future...
The Automobile Industry and Its... Leonard Porter Ayres
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Business Recovery Following Depression...
Business Recovery Following Depr... Leonard Porter Ayres
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The Public Schools of Springfield, Illinois...
The Public Schools of Springfiel... Leonard Porter Ayres
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The Prospects for Building Construction in American Cities...
The Prospects for Building Const... Leonard Porter Ayres
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The Relation Of Physical Defects To School Progress, Issues 61-138...
The Relation Of Physical Defects... Leonard Porter Ayres
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Laggards in Our Schools...
Laggards in Our Schools... Leonard Porter Ayres
36,80 €
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Price Changes and Business Prospects...
Price Changes and Business Prosp... Leonard Porter Ayres
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Essays
Essays Leonard Porter Ayres
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The Cleveland Survey of the Administration of Criminal Justice
The Cleveland Survey of the Admi... Leonard Porter Ayres
22,76 €
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Medical Inspection Legislation
Medical Inspection Legislation Leonard Porter Ayres
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22,59 €

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Open-Air Schools
Open-Air Schools Leonard Porter Ayres
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Child Accounting in the Public Schools (1915)
Child Accounting in the Public S... Leonard Porter Ayres
36,98 €
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Laggards in Our Schools
Laggards in Our Schools Leonard Porter Ayres
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Open-Air Schools
Open-Air Schools Leonard Porter Ayres
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The War with Germany
The War with Germany Leonard Porter Ayres
30,77 €
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A Measuring Scale for Ability in Spelling
A Measuring Scale for Ability in... Leonard Porter Ayres
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27,89 €

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Laggards In Our Schools
Laggards In Our Schools Leonard Porter Ayres
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The Cleveland School Survey
The Cleveland School Survey Leonard Porter Ayres
23,75 €
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Showing 1-21 of 21