yourlibrary
http://yourlibrary.readsquared.com
https://yourlibrary.bibliocommons.com/v2/search?query=%28title%3A%28The+Cat+In+The+Hat%29+AND+contributor%3A%28Dr.+Seuss + &searchType=bl
https://contentcafe2.btol.com/ContentCafe/Jacket.aspx?&userID=CLOHXXX&password=CC4400000&Value=978–0394800011&content=M&Return=1&Type=M