Oklahoma County Courthouse, Oklahoma City, Oklahoma.

This impressive art deco courthouse was built in 1937 and serves Oklahoma County, Oklahoma.  Apparently it was loosely inspired by Mayan temples, which is unusual.

It was a Great Depression works project.

Oklahoma City U.S. Federal Building & Courthouse, Oklahoma City, Oklahoma

This is the U.S. Federal Building & Courthouse in Oklahoma City, Oklahoma.  This building, built in 1960s, is s survivor of the brutal domestic terrorist attack that wrecked the Murrah building that was across from it.  A memorial to the victims of that attack is now located there, across from the courthouse.

United States Post Office and Courthouse, Oklahoma City.

This is the 1912 vintage Federal courthouse and post office in Oklahoma City.  This classic courthouse is no longer used for civil or criminal trials, having been replaced by a new courthouse nearby, but it is still used for bankruptcy proceedings.  I've been told that the most famous trial to have been held here was the criminal trial of Machine Gun Kelly.

The courthouse was a courthouse of the Western District of Oklahoma, and for a time was used by the 8th Circuit Court of Appeals prior to Oklahoma being reassigned to the 10th Circuit.

US Bankruptcy Court, Northern District of Oklahoma, Tulsa Oklahoma

Tulsa Municipal Bulding, Tulsa Oklahoma

This is the Tulsa, Oklahoma Municipal Building which housed Tulsa's government between 1917 and 1960.  While I'm not certain that it housed a courthouse, it has that appearance, and I strongly suspect that the city's municipal courthouse was located here.  This building no longer houses Tulsa's city offices.