Your search returned 10 results.

Results
	1.	Open air schools [by] Leonard P. Ayres ... by Ayres, Leonard Porter, 1879-1946 Series: [Russell Sage Foundation. Dept. of Child Hygiene. Pamphlet] ; no. 71 Material type: Text; Format: print available online ; Literary form: Not fiction Publication details: New York, Dept. of School Hygiene [1910] Online resources: Click here to access online Availability: No items available. Add to cart (remove)
	2.	The relation of physical defects to school progress [by] Leonard P. Ayres ... by Ayres, Leonard Porter, 1879-1946 Series: [Russell Sage Foundation. Dept. of Child Hygiene. Pamphlets] ; no. 61 Material type: Text; Format: print available online ; Literary form: Not fiction Publication details: New York, Dept. of Child Hygiene of the Russell Sage Foundation [1910?] Online resources: Click here to access online Availability: No items available. Add to cart (remove)
	3.	The measurement of educational processes and products, by Leonard P. Ayres. by Ayres, Leonard Porter, 1879-1946 Series: [Russell Sage Foundation. Dept. of Child Hygiene. Pamphlets] ; no. 116 Material type: Text; Format: print available online ; Literary form: Not fiction Publication details: New York, Division of Education, Russell Sage Foundation [1912] Online resources: Click here to access online Availability: No items available. Add to cart (remove)
	4.	The effect of promotion rates on school efficiency, by Leonard P. Ayres ... by Ayres, Leonard Porter, 1879-1946 Series: [Russell Sage Foundation, New York. Dept. of Child Hygiene. Pamphlet] ; E130 Material type: Text; Format: print ; Literary form: Not fiction Publication details: New York City, Division of Education, Russell Sage Foundation, 1913 Availability: No items available. Add to cart (remove)
	5.	Psychological tests in vocational guidance, by Leonard P. Ayres. by Ayres, Leonard Porter, 1879-1946 Series: [Russell Sage foundation, New York. Dept. of child hygiene. Pamphlet] E128 Material type: Text; Format: print ; Literary form: Not fiction Publication details: New York city, Division of education, Russell Sage foundation, 1913 Availability: No items available. Add to cart (remove)
	6.	The spelling vocabularies of personal and business letters / by Leonard P. Ayres. by Ayres, Leonard Porter, 1879-1946 Series: Russell Sage Foundation (Series) ; E126 Material type: Text; Format: print ; Literary form: Not fiction Publication details: New york city : Division of education, Russell Sage foundation, 1913 Availability: No items available. Add to cart (remove)
	7.	Some conditions affecting problems of industrial education in 78 American school systems [by] Leonard P. Ayres, Ph.D. by Ayres, Leonard Porter, 1879-1946 Series: [Russell Sage foundation, New York. Division of education. Pamphlets] E135 Material type: Text; Format: print available online ; Literary form: Not fiction Publication details: New York, Division of education, Russell Sage foundation, [1914] Online resources: Click here to access online Click here to access online Availability: No items available. Add to cart (remove)
	8.	Constant and variable occupations and their bearing on problems of vocational education. by Ayres, Leonard Porter, 1879-1946 Series: [Russell Sage Foundation, New York. Division of Education. Pamphlets] E136 Material type: Text; Format: print ; Literary form: Not fiction Publication details: New York City, Division of Education, Russell Sage Foundation [1914] Availability: No items available. Add to cart (remove)
	9.	A scale for measuring the quality of handwriting of adults [by] Leonard P. Ayres, PH. D. by Ayres, Leonard Porter, 1879-1946 Series: [Russell Sage foundation, New York. Pamphlets] E138 Material type: Text; Format: print ; Literary form: Not fiction Publication details: New York city, Division of education, Russell Sage foundation [1915] Availability: No items available. Add to cart (remove)
	10.	Leonard Porter Ayres papers, 1902-1946. by Ayres, Leonard Porter, 1879-1946 Young, Agnes Brooks, 1898-1974. Agnes Brooks Young journal Material type: Mixed materials Availability: No items available. Add to cart (remove)

Powered by Koha