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Leonard Porter Ayres

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Stand Alone

The Cleveland school survey
Child Accounting In The Public Schools (1915)
Psychological Tests In Vocational Guidance (1913)
Open-Air Schools: -1910
The Cleveland school survey Volume 26; summary volume
The Cleveland school survey Volume 16; summary volume
Psychological Tests In Vocational Guidance (1913)
Child Accounting In The Public Schools (1915)
Open-Air Schools
Open-Air Schools
Open-Air Schools
Open-Air Schools
Open-Air Schools
Open-Air Schools
Open-Air Schools

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