A 1927 Duo-Art Piano Roll Catalog sold at eBay (#1431178307) for
$72.00 (US).  Described as:

> Duo-Art Piano Roll Catalog 1927 - Huge Book
>
> This is a very large volume published by the Aeolian Company 1927.
> It is titled: Duo-Art Piano Music - A Catalog of Interpretations of
> the World's Best Music recorded by more than 250 pianists for the
> Duo-Art Reproducing Piano.  Loads of info and photos of these famous
> composers, and performers, some famous, some unknown.  Great resource
> material.  480 pages.  Some damage to spine, otherwise good.

Terry Smythe
Winnipeg, MB, Canada   R3J 2N6
http://www.mts.net/~smythe