See pages 36 and 37 of Suzanne Gieser's The Innermost Kernel
as well as PyrE in The Stars My Destination and Old St. Patrick's*
in "Gangs of New York."
For some related aesthetic remarks, see a New Yorker essay
published onlne today and this journal's previous post.
* The older version of the "Old St. Patrick's"
of The Stars My Destination . (Update of 4/21/16.)