This post provided some suggestions for first time readers of James Joyce’s Finnegans Wake. It also included a reading list.  However, Clive Hart’s Structure and Motif in Finnegans Wake is out of print and has also vanished from at least three public libraries. Fortunately, the James Joyce Scholar’s Collection has put Hart’s book online. You can access it directly here

All the books in the James Joyce Scholar’s Collection are out of print, but below are links to a few you might explore after getting through my original recommendations.

A Classical Lexicon for Finnegans Wake
The Decentered Universe of Finnegans Wake: A Structuralist Analysis
A Finnegans Wake Gazetteer
Joyce-again’s Wake: An Analysis of Finnegans Wake
The Sigla of Finnegans Wake
Structure and Motif in Finnegans Wake
Third Census of Finnegans Wake
The “Wake” in Transit

All this assumes, of course, that you have actually read Finnegans Wake, the book.  If you haven’t bought a copy, the full text is available here, courtesy of Trent University. You can find an interesting, annotated version of Finnegans Wake at finwake.com.