The LDS Family History Library has begun digitizing and making available on the Internet all of the Family History books in their collection. About 5000 books have been digitized and are available, and they have announced that they are adding about 100 titles a week to the on-line Family History collection. http://www.lib.byu.edu/fhc/ If you don't find what you want there, you may find Family Histories online helpful. Go to http://www.rootsweb.com/~ote/family_histories/ A full-text search for "macqueen" got 103 matches, "mcqueen", 501.