Remember that an abbreviation might not stand for what you think it does. There was a time when "Ia" stood for the state of Indiana, not the state of Iowa as it does today. So make certain you really know what something stands for.
Readers of Casefile Clues will see this "in action" in issue 7. Attendees at the recent Germantown, TN workshop saw it as well. But there are other examples besides the "Ia" one.
