Liz Sales is cataloged as a bibliographic items with International Center of Photography Library. A bibliographic item can be any information entity (e.g., books, computer files, graphics, realia, cartographic materials, or in Liz's case, Liz) that is considered library material as far as it is relevant to the catalog and to the patrons of the library in question.
Liz is the only human being recognized by the Library of Congress as a library holding and has an assigned Library of Congress and ISBN #.
For more information about Liz look up her library record at either WorldCat
or go to The ICP Library
and click on "search the Library's online catalogue."