DAZ did a 1930s thing:

http://www.daz3d.com/shop/everyday-1930-for-v4

http://www.daz3d.com/shop/working-man-for-m4

http://www.daz3d.com/shop/menswear-1930-for-m4

They are PC items.  I believe there are extra textures in the PC, too.

They also made some vehicles (cars and trucks) in the 30's theme.