Clojure-utilities is a project mainly written in Clojure, it's free.
A small set of utilities for Clojure
This is a small set of Clojure functions and definitions that I've found useful.
I've had problems printing out certain special characters.
Printing special characters in Clojure such as " \ / { } # ' $
Reference: langref.org/fantom+python+clojure/strings/declaring-strings/special-characters