The edition of Spoon River Anthology on Gutenberg (the HTML version is missing some poems)
The PDF version from 1921 digitized by Google Books
The digitized version from Bartleby, which includes all the poems
A rundown of the history of the book, and how it got banned in his hometown, from Laura Wolff Scanlan writing in the National Endowment for the Humanities
View all the illustrations on Flickr.