Wikipedia gives only three literary references to Ashtabula as follows:

Poet Carl Sandburg wrote a poem titled "Crossing Ohio when Poppies Bloom in Ashtabula." There is also a novel called The King from Ashtabula by Vern Sneider, published in 1960. The city is also mentioned in the Bob Dylan song "You're Gonna Make Me Lonesome When You Go".

Not mentioned in Wikipedia is the beautiful David Francey song "Ashtabula".