If you need someone to promote your book, bibliophile Victor Gulotta (see profiles of him in Among the Gently Mad and Editions & Impressions) can help in a very big way.
Rare Book School at the University of Virginia
A recently established bibliophilic group in Boston, with a full range of programs and activities.
Find an antiquarian bookseller.
Information on subscribing to the most consequential journal on the subject of book collecting published on either side of the Atlantic,.
Bibliophiles of every persuasion will find something of interest here, including links to dozens of pertinent sites.
The easiest way to find the item you are looking for in a library near you is to search the online catalog of OCLC known as WorldCat, now available free to everyone online. This site can become contagious; to get yourself started.