/ Published in: Lisp
Clojure contribe repl-utils offers two functions for locating the source code of functions & the method of types (http://groups.google.com/group/clojure/browse_thread/thread/77f95518fcfc8a08/5de8ef8ff8f3b3bd?lnk=gst&q=source#5de8ef8ff8f3b3bd).