Broadway Theatre page.
And this isn't much. It's a 1967 view of protests in the Los Angeles Public Library collection taken by William Reagh. Click on it for a larger view or see it on the LAPL website.
We're looking north along the 400 block of Broadway with a tiny look at the Broadway in the upper left. Sorry it isn't very exciting. Here's a better view. It's a detail taken from a 1939 Dick Whittington Studio photo in the USC Archives.