Government publications for children are available on a wide variety of topics, from health and nutrition to national parks and historic sites.
The best way to find as many children's publications as possible in the CGP is to include "juvenile literature" as a subject term when searching.
Go to https://catalog.gpo.gov and click on the Advanced tab:
Use one of the search boxes to select "LC Subjects keyword(s)" and enter "juvenile literature" in quotes. Use the other search boxes to enter keywords and any additional parameters.
Federal Depository Library Program (FDLP)
732 North Capitol Street, NW • Washington, DC 20401