The links above will do a subject search in the library's collection. You can also try keywords in the library search space above, for example:
early childhood history
John Dewey
Encyclopedia of Education
Encyclopedia of Education and Human Development by Includes theory and practice at all educational levels.
Encyclopedia of the Life Course and Human Development
Early Childhood Education by 
Encyclopedia of Children and Childhood in History and Society
Encyclopedia of Early Childhood Education by 
Historical Dictionary of American Education by The History of American Education by 