OK, I guess I'll finally do this one

The ones I think I've read are in bold:

• Jane Austen, Patience and Petulance
• Jane Austen, Rockingham Slope
• Samuel Beckett, Puntipoop
• Jorge Luis Borges, Elaborations
• John Brunner, The Frog in the Pan
• James Fenimore Cooper, The Flint-Striker
• Robertson Davies, Gryphon's Rest
• Philip K. Dick, The Exploded Memory of William Tardigrade*
• Charles Dickens, Timothy Swimflicker
• Umberto Eco, The Inverted Sigil
• T. S. Eliot, The Limbless Trees
• Harlan Ellison, "Listen Closely," Whispered the Nightshade at the Center of the Eye at the Center of the World
• F. Scott Fitzgerald, To Love and Yearn
• Fyodor Dostoevsky, The Agitator
• William Faulkner, Evening of Cain
• Ernest Hemingway, Years Past Kenya
• Henrik Ibsen, Sighs
• Alfred Jarry, Ubu Besmirched
• James Joyce, Liffey Cantos
• Stanislaw Lem, Empty Set: Perfect Titles for Missing Volumes
• Herman Melville, Mylmott, or, the Rope-Twister
• A. A. Milne, In Our High Chair
• Molière, The Ignorant Lawyer
• George Orwell, Learning in Majorca
• Thomas Pynchon, Contraction
• Salman Rushdie, Dreams of the Muezzin
• William Shakespeare, Glagoliticus
• William Shakespeare, The Good Sons of Genoa; Or, Your Heart's Desire
• Mark Twain, Rutabaga Phillips
• Mark Twain, Satan's Address-Book
• Kurt Vonnegut, Jr., I'm Over Here, Frankie Marigold

Whew! Seems I'm pretty well-read after all. What a relief!

*Filmed as Deathpunch