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Leonard Porter Ayres

United States educator and soldier

Born	1879
Died	1946

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Open-air schools

by Leonard Porter Ayres First published in 1910 — 6 editions
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An index number for state school systems

by Leonard Porter Ayres First published in 1920 — 4 editions
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The Cleveland school survey: summary volume.

by Leonard Porter Ayres First published in 1917 — 4 editions
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The prospects for building construction in American cities

by Leonard Porter Ayres First published in 1922 — 3 editions
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Laggards in our schools: a study of retardation and elimination in city school systems.

by Leonard Porter Ayres First published in 1909 — 3 editions
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A measuring scale for ability in spelling.

by Leonard Porter Ayres First published in 1915 — 3 editions
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Measuring scale for handwriting

by Leonard Porter Ayres First published in 1912 — 3 editions

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The automobile industry and its future

by Leonard Porter Ayres First published in 1921 — 2 editions

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Child accounting in the public schools

by Leonard Porter Ayres First published in 1915 — 2 editions
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The Cleveland survey of the administration of criminal justice

by Leonard Porter Ayres First published in 1922 — 2 editions
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Health work in the public schools

by Leonard Porter Ayres First published in 1915 — 2 editions
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The money cost of repetition versus the money saving through acceleration

by Leonard Porter Ayres First published in 1912 — 2 editions
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School organization and administration

by Leonard Porter Ayres First published in 1916 — 2 editions
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Turning points in business cycles.

by Leonard Porter Ayres First published in 1939 — 2 editions

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The war with Germany: a statistical summary.

by Leonard Porter Ayres First published in 1919 — 2 editions
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The Binet-Simon measuring scale for intelligence

by Leonard Porter Ayres First published in 1911 — 2 editions
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The economics of recovery

by Leonard Porter Ayres First published in 1933 — 2 editions
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School buildings and equipment

by Leonard Porter Ayres First published in 1916 — 2 editions
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The progress of preparedness

by Leonard Porter Ayres First published in 1940 — 1 edition

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The official record of the United States' part in the great war: the government account of the thirteen American battles and ... the army of four million men, prepared under the instructions of the Secretary of war ... Complete official stories by the Adjutant general's office describing the heroic exploits of the seventy-eight congressional medal of honor men. Complete official register of awards of the distinguished service cross ... and distinguished service medal ...

by Leonard Porter Ayres First published in 1923 — 1 edition

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United States educator and soldier

Born	1879
Died	1946

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ID Numbers

OLID: OL162592A
ISNI: 0000000081521449
Library of Congress Names: n79059324
Project Gutenberg: 8822
VIAF: 71769132
Wikidata: Q6525642
Inventaire.io: wd:Q6525642

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Created April 1, 2008
6 revisions

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July 31, 2025	Edited by WikidataBot	[sync_author_identifiers_with_wikidata] add wikidata remote identifiers
September 30, 2020	Edited by MARC Bot	add ISNI
March 31, 2017	Edited by MARC Bot	add VIAF and wikidata ID
June 6, 2012	Edited by VacuumBot	Removed period from death date
April 1, 2008	Created by an anonymous user	initial import

Leonard Porter Ayres

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