ACKNOWLEDGEMENTS AND SOURCES:
Oxford Dictionary
O Hehir, Brendan; Dillon, John M. A classical lexicon for Finnegans wake
Mink, Louis O. A Finnegans wake gazetteer
O Hehir, Brendan A Gaelic lexicon for Finnegans wake, and glossary for Joyce's other works
Bonheim, Helmut A lexicon of the German in Finnegans wake
Glasheen, Adaline, Third census of Finnegans wake
Deane, Vincent & Ferrer, Daniel & Lernout, Geert, The Finnegans Wake Notebooks at Buffalo
McHugh, Roland, The Sigla of Finnegans Wake, Annotations to Finnegans Wake
David Hayman, A first-draft version of Finnegans Wake
Campbell, Joseph & Robinson, Henry Morton A Skeleton Key to Finnegans Wake
Rose, Danis, Chapters of Coming Forth by Day
Troy, Mark L. Mummeries of Resurrection: The Cycle of Osiris in Finnegans Wake
Crispi, Luca & Slote, Sam, How Joyce Wrote Finnegans Wake: A Chapter-by-Chapter Genetic Guide
Gordon, John, Notes on Issy
David Hayman, Sam Slote, Genetic studies in Joyce
Gordon, John, Finnegans Wake, a plot summary
Much more elucidations could be found at: http://www.fweet.org/