You can browse for relevant books in the stacks in these call number ranges. If you're feeling especially nerdy, look for more call number ranges in the Library of Congress Classification Outline for Education.
PN 1008.2 - PN 1009. 5 : Juvenile Literature
LB 1575 - 1584 : Teaching Children's Literature
Try searching in WorldCat using subject headings to get the most refined results. Here are some that might be helpful:
Children's Literature--History and Criticism
Children--Books and Reading
Children's Literature--Study and Teaching