Historic Detroit

Every building in Detroit has a story — we're here to share it

R.L. Polk Co. Building - Old photos

One of the libraries inside the R.L. Polk Co. Building. One department alone handled 15 million names of automobile owners each year.

The Polk Building stood on Howard Street, just west of Cass Avenue.

A look at the staff who worked to compile the R.L. Polk Co.'s directories.