Smells to Refactorings Cheat Sheet
This is a great reference, something worth printing off and having close at hand.
Strait from their website, Industrial Logic "developed this handy cheat sheet as a teaching aid while teaching our Refactoring Challenge Activity. You'll find a table that maps code smells to their likely refactorings with corresponding page references to source material contained in the books
Refactoring: Improving the Design of Existing Code by Martin Fowler and
Refactoring to Patterns by Joshua Kerievsky."