WorldCat Identities

Ayres, Leonard Porter 1879-1946

Overview
Works: 121 works in 417 publications in 5 languages and 6,712 library holdings
Genres: Sources  History  Personal narratives 
Roles: Author, Contributor, Other, Speaker
Classifications: D521, 940.3
Publication Timeline
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Most widely held works by Leonard Porter Ayres
The war with Germany; a statistical summary by United States( Book )

35 editions published between 1918 and 1979 in 3 languages and held by 872 WorldCat member libraries worldwide

Udgivet af den amerikanske generalstab i 1919, giver denne bog et statistisk overblik over de udgifter som U.S.A. havde under 1. Verdenskrig. F.eks at krigen kostede 1 million $ i timen i to år
Turning points in business cycles by Leonard Porter Ayres( Book )

27 editions published between 1939 and 1969 in 3 languages and held by 517 WorldCat member libraries worldwide

Medical inspection of schools by Luther Halsey Gulick( Book )

18 editions published between 1908 and 1917 in English and held by 405 WorldCat member libraries worldwide

The economics of recovery by Leonard Porter Ayres( Book )

11 editions published between 1933 and 1934 in English and held by 384 WorldCat member libraries worldwide

The Cleveland school survey; summary volume by Leonard Porter Ayres( Book )

13 editions published between 1917 and 2010 in English and held by 280 WorldCat member libraries worldwide

Laggards in our schools; a study of retardation and elimination in city school systems by Leonard Porter Ayres( Book )

11 editions published between 1909 and 2010 in English and held by 222 WorldCat member libraries worldwide

An index number for state school systems by Leonard Porter Ayres( Book )

5 editions published between 1920 and 2010 in English and held by 162 WorldCat member libraries worldwide

Open-air schools by Leonard Porter Ayres( Book )

15 editions published between 1910 and 2013 in 3 languages and held by 150 WorldCat member libraries worldwide

A measuring scale for ability in spelling by Leonard Porter Ayres( Book )

14 editions published between 1915 and 2010 in English and held by 141 WorldCat member libraries worldwide

Health work in the public schools by Leonard Porter Ayres( Book )

10 editions published between 1915 and 2006 in English and held by 138 WorldCat member libraries worldwide

The public library and the public schools by Leonard Porter Ayres( Book )

8 editions published between 1916 and 1917 in English and held by 123 WorldCat member libraries worldwide

Child accounting in the public schools by Leonard Porter Ayres( Book )

7 editions published between 1915 and 1917 in English and held by 120 WorldCat member libraries worldwide

School buildings and equipment by Leonard Porter Ayres( Book )

7 editions published between 1916 and 2010 in English and held by 108 WorldCat member libraries worldwide

School organization and administration by Leonard Porter Ayres( Book )

6 editions published in 1916 in English and held by 101 WorldCat member libraries worldwide

The measurement of educational products( )

1 edition published in 1918 in English and held by 99 WorldCat member libraries worldwide

The public schools of Springfield, Illinois; educational section of the Springfield survey conducted under the direction of Leonard P. Ayres, PH. D by Leonard Porter Ayres( Book )

3 editions published between 1914 and 1915 in English and held by 71 WorldCat member libraries worldwide

The chief cause of this and other depressions by Leonard Porter Ayres( Book )

8 editions published between 1935 and 1994 in English and Undetermined and held by 68 WorldCat member libraries worldwide

The Cleveland survey of the administration of criminal justice by Leonard Porter Ayres( Book )

8 editions published between 1922 and 2010 in English and held by 51 WorldCat member libraries worldwide

 
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Audience Level
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  Kids General Special  
Audience level: 0.48 (from 0.30 for Source rec ... to 0.99 for William F. ...)

A measuring scale for ability in spelling
Alternative Names
Ayres, L. P.

Ayres, L. P. 1879-1946

Ayres, L. P. (Leonard Porter), 1879-1946

Ayres, Leonard P.

Ayres, Leonard P. 1879-1946

Ayres, Leonard Porter 1879-1946

Leonard Porter Ayres Amerikaans statisticus (1879-1946)

Leonard Porter Ayres United States educator and soldier

Porter Ayres, Leonard 1879-1946

Porter, Leonard Ayres

エイヤース, レーナード

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