The booklet has been revised several times since the first edition in 1963, and has enjoyed wide circulation, particularly in North America. As the popularity and enthusiasm for tracing one's ancestry has grown and the internet has revolutionized the way we conduct research, the guide was updated to include web-based resources. To download the guide in pdf format, click on the link on the right. For Swedish parish records, other genealogy resources and research guidelines, contact the Swenson Swedish Immigration Research Center in Rock Island, IL.