Julian Sellers shows his research paper which chronicles the history of the bungalow in St. Paul, Minn., that he and his wife Barbara own. Jim Mone / AP

Julian Sellers leafs through the pages of his paper on the history of his St. Paul, Minn., bungalow. Jim Mone / AP

Julian Sellers shows his home's timeline of ownership in his research paper on the history of the St. Paul, Minn., bungalow. Jim Mone / AP