The Wizard of OZ Museum covers the whole Universe of OZ from the 1850s till now.

Most visitors to the museum are familiar with the Wizard of Oz movie, and we tell them that we cover the whole OZ universe and that the 1939 movie is part of it.

Do readers agree with me about what constitutes the Oz Universe?

Below is my view of the Oz Universe represented in percentages.

1. Frank Baum as an author of the first American fairy tale -3%

2. Original Wizard of Oz book from 1900 – 8%

3. Remaining 13 OZ books by the same author – 7%

4. Other 90+ books by Frank Baum outside of the Oz series – 2%

5. Other authors of the remaining 26 Oz series books – 10%

6. Wizard of Oz Musical from 1902 to current times – 3%

7. Hidden messages in Oz books such as (politics, women’s rights, etc.) – 4%

8.1925 Silent Movie “Wizard of Oz” – 2%

9. Oz Collectible merchandise preceding MGM 1939 movie – 3%

10. Famous 1939 movie – 20%

11. Actors, movie props, and 1939 memorabilia – 10%

12. Post-movie memorabilia from the 1940s to 1989 ( 50th anniversary of the movie – 5%

13. The Wiz Musical with Michael Jackson and Diana Ross – 3%

14. Return to OZ Disney movie from 1985 – 5%

15. Wicked Book and Musical that is running for 25 years on Broadway – 5%

16. Other OZ-related movies, puppet shows, and cartoons that were produced in the past 30 years ( Tin Man, Emerald City, etc.) – 2%

17. Wizard of Oz internationally – 3%

18. Oz Great and Powerful – 2%

19. Everything else Oz related – 3%

The total is 100%.