From the list of references provided, the source that contains information about the Hazelwood v. Kuhlmeier Supreme Court case is:
- Hazelwood School District v. Kuhlmeier, 484 U.S. 260 (1988). https://www.oyez.org/cases/1987/86-836
This specific entry directly mentions the Hazelwood v. Kuhlmeier case by name and includes a link to the Oyez website, which is known for providing comprehensive information about Supreme Court cases. By accessing this link, you can learn more about the details, arguments, and outcomes of the case. This is the reference that focuses on the Hazelwood v. Kuhlmeier case and is the most relevant source for information regarding that particular Supreme Court case.