Most references to Luther's works in scholarly writing are made to either the Weimar edition, the St. Louis edition, or the Erlangen edition. Readers of Luther's Works: American Edition, which is a selection of Luther's works, often ask whether a given reference to the Weimar, St. Louis, or Erlangen editions is included in the American edition. This cross reference facilitates finding such references in volumes 1-54 of Luther's Works: American...