Technically, Dylan has written a number of novels, short stories and Poems and as such would not really qualify as a "pure singer-songwriter", even though the Nobel Prize comittee's reasoning references his work as a singer-songwriter...
At the other end of spectrum is 'Changing of the Guards' in which Bob Dylan seems to be intentionally parodying his own songwriting (still an enjoyable song though).
>"Lily, Rosemary and the Jack of Hearts": an amazing example of musical story-telling
This song and 'Tangled Up In Blue' and 'Hurricane' are practically novellas in song form. I think the 'long form storyteller' Dylan is often the least acknowledged, but probably my favorite Dylan song format.
I started typing out a list, but there's really too many to name. Pretty much anything through Desire is definitely worth a listen, and he has some gems from past that period, too.
Winston Churchill also won the Literature Nobel Prize (for his book on the second world war). Writing history is probably even better than songwriting as an alternative to fiction.
Here are three Dylan songs with big literary value:
* "Lily, Rosemary and the Jack of Hearts": an amazing example of musical story-telling
* "The Ballad of a Thin Man": Some of the most post-modern lyrics ever put to music...
* "Like a Rolling Stone": One of the most influential songs of all time