It's useful to get some context about the Aarne-Thompson-Uther Classification System in this entry from wikipedia.org.
Excellent scholarship surrounding 'fairy tales,' etc. is frequently found in print anthologies characterized by diverse themes. This makes subject heading searching a critical strategy to access this material (where keywords alone may not work well). Indexes in the backs of these books point to pages where specific tales or themes can be found throughout the book. To search by subject heading in the WSU Catalog, change the dropdown box from KEYWORD to SUBJECT, and experiment with some of the following headings: