Author

Leonard Porter Ayres

born 1879 50 known books newest first

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Books

OpenLibrary works by this author.

50 books
The automobile industry and its f...

The automobile industry and its future

1988
Health work in public schools

Health work in public schools

1982
Business in two war periods

Business in two war periods

1945
Turning points in business cycles

Turning points in business cycles

1939
Inflation

Inflation

1936
The chief cause of this and other...

The chief cause of this and other depressions

1935
The economics of recovery

The economics of recovery

1933
Business recovery following depre...

Business recovery following depression

1922
The Cleveland survey of the administration of criminal justice

The Cleveland survey of the administration of criminal justice

1922
The nature and status of business research

The nature and status of business research

1922
The prospects for building construction in American cities

The prospects for building construction in American cities

1922
Price changes and business prospects

Price changes and business prospects

1921
An index number for state school systems

An index number for state school systems

1920
The war with Germany

The war with Germany

1919
The Cleveland school survey

The Cleveland school survey

1917
School buildings and equipment

School buildings and equipment

1916
School organization and administration

School organization and administration

1916
The public library and the public schools

The public library and the public schools

1916
A measuring scale for ability in spelling

A measuring scale for ability in spelling

1915
A scale for measuring the quality of handwriting of adults

A scale for measuring the quality of handwriting of adults

1915
Child accounting in the public schools

Child accounting in the public schools

1915
Constant and variable occupations and their bearing on problems of vocational education

Constant and variable occupations and their bearing on problems of vocational education

1914
Some conditions affecting problems of industrial education in 78 American school systems

Some conditions affecting problems of industrial education in 78 American school systems

1914
The public schools of Springfield, Illinois

The public schools of Springfield, Illinois

1914
Psychological tests in vocational...

Psychological tests in vocational guidance

1913
The effect of promotion rates on school efficiency

The effect of promotion rates on school efficiency

1913
The spelling vocabularies of pers...

The spelling vocabularies of personal and business letters

1913
A scale for measuring the quality of handwriting of school children

A scale for measuring the quality of handwriting of school children

1912
Measuring scale for handwriting

Measuring scale for handwriting

1912
The measurement of educational processes and products

The measurement of educational processes and products

1912
The money cost of repetition versus the money saving through acceleration

The money cost of repetition versus the money saving through acceleration

1912
The relation between entering age and subsequent progress among school children ..

The relation between entering age and subsequent progress among school children ..

1912
Medical inspection legislation

Medical inspection legislation

1911
Seven great foundations

Seven great foundations

1911
The relative responsibility of school and society for the over-age child ..

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

1911
Open-air schools

Open-air schools

1910
Laggards in our schools

Laggards in our schools

1909
The relation of physical defects to school progress

The relation of physical defects to school progress

1909
Diagrams relating to turning poin...

Diagrams relating to turning points in business cycles

Year unknown Leonard Porter Ayres and Cleveland Trust Company
[Essays]

[Essays]

Year unknown
Greenwich schools from an outside...

Greenwich schools from an outside viewpoint

Year unknown
New England's railroad opportunity

New England's railroad opportunity

Year unknown Leonard Porter Ayres and Providence Chamber of Commerce
Our national debt after great wars

Our national debt after great wars

Year unknown Leonard Porter Ayres and Committee on Public Debt Policy
The Binet-Simon measuring scale for intelligence

The Binet-Simon measuring scale for intelligence

Year unknown
The future of prices and wages

The future of prices and wages

Year unknown
The identification of the misfit ...

The identification of the misfit child

Year unknown
The international monetary fund

The international monetary fund

Year unknown
The official record of the United...

The official record of the United States' part in the great war

Year unknown
The progress of preparedness

The progress of preparedness

Year unknown
Wages and labor pamphlets

Wages and labor pamphlets

Year unknown Karl Marx, Eleanor Marx Aveling, William Green, Thomas Brassey 1st Earl Brassey, James Mavor, Tibor Szalai, William Denny, Henry Noel Brailsford, John Atkinson Hobson, Arthur Creech Jones, E. E. Wise, J. Augustin Leger, Leonard Porter Ayres, J. E. Crawford Munro, Robert Engels, Hans Bruno Guhl, William A. Wescott, Ernest Solvay, Arthur Webster Thompson, Basil Maxwell Manly, Lewis H. Haney, Frederick C. Waite, Federal Council of the Churches of Christ in America. Department of the Church and Social Service. Research Department, American Railway Association, and United States. Interstate Commerce Commission. Bureau of Transport Economics and Statistics

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