I have two GW pieces I'm trying to gather more info on. The first is a D-8 1/2 299 bookcase with four units on feet with glass sliders.

The second is model 2310 598 1/2, which I understand is Mahogany. A-C Double D-10 1/4.
It has interesting feet that are curved all the way underneath it.

Any ideas ,

Dorie