* _In-Person:_ If you're lucky enough to meet one of the surviving cast members, you can try asking them for an autograph. Some of the actors who are still living include Karolyn Grimes (Zuzu Bailey), Donna Reed (Mary Hatch), and Carol Coombs (Janie Bailey).
* _Online:_ There are several websites that sell autographed memorabilia from the movie. Some popular options include:
1. _Autographica_
2. _Beckett Authentication Services_
3. _Celebrity Authentics_
4. _Gotta Have Rock and Roll_
* _Auctions:_ From time to time, autographed items from the movie will go up for auction. Some of the most famous auction houses include:
1. _Sotheby's_
2. _Christie's_
3. _Heritage Auctions_