Leonard Porter Ayres

Books by Leonard Porter Ayres

Total count: 12

• The relation of physical defects to school progress

  Dept. of Child Hygiene of the Russell Sage Foundation1910-01-01
• 
  Cleveland Education Survey: Sectional reports

  The Survey Committee of the Cleveland Foundation1916-01-01
• 
  The economics of recovery

  The Macmillan co.1933-01-01
• Turning Points in Business Cycles

  A. M. Kelley1969-01-01
• Laggards in Our Schools - a Study of Retardation and Elimination in City School Systems

  Read Books2009-01-01
• Health Work in the Public Schools

  CreateSpace Independent Publishing Platform2015-01-01
• Medical Inspection of Schools

  Creative Media Partners, LLC2018-01-01
• Cleveland School SurveySummary Volume, Issue 16

  Creative Media Partners, LLC2018-01-01
• Measuring Scale for Ability in Spelling

  Creative Media Partners, LLC2018-01-01
• School Buildings and Equipment, Issue 9

  Creative Media Partners, LLC2023-01-01
• Laggards in Our Schools

  Creative Media Partners, LLC2023-01-01
• Essays

  Creative Media Partners, LLC2023-01-01