Leonard Porter Ayres
born 1879
50 known books
newest first
No author bio imported yet.
Books
OpenLibrary works by this author.
The automobile industry and its f...
The automobile industry and its future
1988
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
1933
Business recovery following depre...
Business recovery following depression
1922
The Cleveland survey of the administration of criminal justice
1922
The nature and status of business research
1922
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
1920
The war with Germany
1919
The Cleveland school survey
1917
School buildings and equipment
1916
School organization and administration
1916
The public library and the public schools
1916
A measuring scale for ability in spelling
1915
A scale for measuring the quality of handwriting of adults
1915
Child accounting in the public schools
1915
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
1914
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
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
1912
Measuring scale for handwriting
Measuring scale for handwriting
1912
The measurement of educational processes and products
1912
The money cost of repetition versus the money saving through acceleration
1912
The relation between entering age and subsequent progress among school children ..
1912
Medical inspection legislation
1911
Seven great foundations
Seven great foundations
1911
The relative responsibility of school and society for the over-age child ..
1911
Open-air schools
1910
Laggards in our schools
1909
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
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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