WorldCat Identities

Ayres, Leonard Porter 1879-1946

Overview
Works: 153 works in 486 publications in 5 languages and 7,062 library holdings
Genres: Sources  History  Maps  Military history 
Roles: Author, Contributor, Other, Speaker
Publication Timeline
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Most widely held works by Leonard Porter Ayres
The war with Germany : a statistical summary by United States( )

6 editions published in 1919 in English and held by 646 WorldCat member libraries worldwide

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

32 editions published between 1939 and 1969 in 3 languages and held by 521 WorldCat member libraries worldwide

Medical inspection of schools by Luther Halsey Gulick( Book )

20 editions published between 1908 and 1917 in English and held by 470 WorldCat member libraries worldwide

The economics of recovery by Leonard Porter Ayres( Book )

13 editions published between 1933 and 1934 in 3 languages and held by 399 WorldCat member libraries worldwide

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

13 editions published between 1917 and 1970 in English and held by 328 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 270 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 253 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 243 WorldCat member libraries worldwide

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

6 editions published between 1920 and 2010 in English and held by 207 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 182 WorldCat member libraries worldwide

Open-air schools by Leonard Porter Ayres( Book )

15 editions published between 1910 and 2012 in English and Japanese and held by 174 WorldCat member libraries worldwide

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

15 editions published between 1915 and 2010 in English and held by 169 WorldCat member libraries worldwide

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

7 editions published in 1916 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 2016 in English and held by 148 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 143 WorldCat member libraries worldwide

School organization and administration by Leonard Porter Ayres( Book )

6 editions published in 1916 in English and held by 128 WorldCat member libraries worldwide

The measurement of educational products( )

1 edition published in 1918 in English and held by 97 WorldCat member libraries worldwide

 
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A measuring scale for ability in spelling
Covers
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

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