Historic house museums can be found in nearly every city in the United States and Canada. These are the homes of the earliest settlers, statesmen, frontiersmen, great writers, artists, architects, and industrial magnates. These are the places, carefully saved and preserved, that represent a cultural heritage. Despite their popularity, it is not uncommon to find museums that are in poor repair, their collections neglected and their staffs grossly overworked. Many are run by well-meaning and hard-working volunteers who have little or no professional training. Often they survive on shoestring...