The Sacramento Public Library website now hosts a searchable collection of microfilm from the Sacramento Bee, from 1940-1959. One of my favorite things to research are where Sacramento's nightclubs and hotspots were during that era.
Buddy Baer was a champion boxer who lived in Sacramento (his better-known brother Max Baer did too.) Buddy parlayed his boxing winnings into a nightclub at 11th and K Street--the building is still there, it's the Cordano Company realty office.
The Liberty was one of two all-night theaters, located at 6th and K Street (right where the plaza for the arena is going.) They ran movies all night--mostly grindhouse fare like this double feature of "women behind bars" flicks.
Prosperity Corner was located on the ground floor of the Bel-Vue Apartments at 8th and L, across from the Berry Hotel. It was apparently well known for live music.
The Clayton Club was located in the basement of the Marshall Hotel (it was originally named the Hotel Clayton) and it drew national jazz and blues acts in the late 1940s and early 1950s, especially after the demise of the better known Zanzibar and Mo-Mo Clubs on Capitol.
The Cotton Club was located in the Ramona Building's ground floor (today the Scientology Building.)
The Ron-D-Voo was at 14th and K. They specialized in pizza and female impersonators.
