WorldCat Identities

Ayres, Leonard Porter 1879-1946

Overview
Works: 140 works in 501 publications in 4 languages and 7,363 library holdings
Genres: Sources  Academic theses  History  Maps  Military history 
Roles: Author, Contributor, Editor, Speaker, Publishing director, Other
Publication Timeline
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Most widely held works by Leonard Porter Ayres
The war with Germany : a statistical summary by Leonard Porter Ayres( Book )

6 editions published in 1919 in English and held by 763 WorldCat member libraries worldwide

Turning points in business cycles by Leonard Porter Ayres( Book )

33 editions published between 1939 and 1969 in 3 languages and held by 518 WorldCat member libraries worldwide

Medical inspection of schools by Luther Halsey Gulick( Book )

23 editions published between 1908 and 1917 in English and held by 501 WorldCat member libraries worldwide

The economics of recovery by Leonard Porter Ayres( Book )

15 editions published between 1933 and 1934 in 3 languages and held by 426 WorldCat member libraries worldwide

"Published November, 1933. Reprinted ... January, February, 1934."
The Cleveland school survey; summary volume by Leonard Porter Ayres( Book )

16 editions published between 1917 and 1970 in English and held by 315 WorldCat member libraries worldwide

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

12 editions published between 1909 and 2010 in English and held by 275 WorldCat member libraries worldwide

The war with Germany : a statistical summary by United States( Book )

2 editions published in 1919 in English and held by 240 WorldCat member libraries worldwide

The Cleveland survey of the administration of criminal justice : an address delivered before the City Club of Cleveland, February 18, 1922 by Leonard Porter Ayres( )

9 editions published between 1922 and 2010 in English and held by 235 WorldCat member libraries worldwide

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

11 editions published between 1915 and 2018 in English and held by 204 WorldCat member libraries worldwide

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

8 editions published between 1920 and 2010 in English and held by 194 WorldCat member libraries worldwide

Open-air schools by Leonard Porter Ayres( Book )

16 editions published between 1910 and 2019 in English and Japanese and held by 186 WorldCat member libraries worldwide

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

17 editions published between 1915 and 2010 in English and held by 177 WorldCat member libraries worldwide

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

9 editions published between 1916 and 1917 in English and held by 161 WorldCat member libraries worldwide

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

6 editions published between 1915 and 1917 in English and held by 150 WorldCat member libraries worldwide

School buildings and equipment by Leonard Porter Ayres( Book )

10 editions published between 1916 and 2010 in English and held by 148 WorldCat member libraries worldwide

School organization and administration by Leonard Porter Ayres( Book )

6 editions published in 1916 in English and held by 136 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 )

5 editions published between 1914 and 1915 in English and held by 97 WorldCat member libraries worldwide

 
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Laggards in our schools; a study of retardation and elimination in city school systems
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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 (-)

Leonard Porter Ayres Amerikaans statisticus (1879-1946)

Leonard Porter Ayres estadísticu estauxunidense (1879–1946)

Leonard Porter Ayres United States educator and soldier

Porter Ayres, Leonard 1879-1946

Porter, Leonard Ayres

ليونارد بورتر أيريس إحصائي من الولايات المتحدة الأمريكية

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