I did a Rose Parade search on the USC digital archive site and thought I'd post these from there:
1925
1926
Undated
The above undated photo is very interesting to me because it shows the site of what is now the Norton Simon Museum. The intesection at the top of the photo is Orange Grove Ave. and Colorado Blvd. I noticed the Victorian house in the photo and wondered if maybe this was Norton Simon's estate at one time or something. I was wrong; according to the Norton Simon Museum website, the site for the museum is the former site of the Carr residence, which later became Carmelita Park, which is now the site of the Norton Simon Museum.