book + database = genealogical publication
BoD / Amazon + geneanet.org = result of research
(a German edition, but about 50 out of 280 pages written in English)
Look at Amazon’s for content & index. More than 5o pages in English language.
More about Auguste JANSSEN
Complete geneanet database:
http://gw.geneanet.org/frankenhusanus / starting with Family Book