This doesn't answer your question, but in  Unglue.it 2.0, we're putting digital "bookplates" into the ebook files themselves.

The (python) software we're using to do it is on github with an MIT license. Project started by an italian developer with significant improvements by me.
https://github.com/Gluejar/pyepub

Eric

Eric Hellman
President, Gluejar.Inc.
Founder, Unglue.it https://unglue.it/
http://go-to-hellman.blogspot.com/
twitter: @gluejar

On Jan 3, 2014, at 11:31 AM, Lauren Magnuson <[log in to unmask]> wrote:

> I'm considering creating a Drupal module for creating, storing, and finding
> Digital Bookplates (e.g., this book donated by...), but want to make sure
> I'm not reinventing the wheel.  Anyone already done this or something like
> it?  I'm aware of Brown's excellent work in this area and have their
> model<http://library.brown.edu/its/software/bookplates/>,
> but I'd like to adapt it for something that seamlessly works with a Drupal
> environment.
> 
> Thanks in advance!
> 
> Lauren Magnuson
> 
> -- 
> Systems & Emerging Technologies Librarian, CSUN
> Systems Coordinator, PALNI
> @lpmagnuson <http://www.twitter.com/lpmagnuson>