FYI the organization "Föreningen Svenska Släktkalendern" (Swedish Family Register), publishes the Swedish Family Register, and has done so since 1912. The editor's web site is:
http://hem.passagen.se/gronstub/ssk.html
The next volume will be published in 2010, and the Dahlgren family (including the American banch) is one of those that will be featured there.
