54. Books… Helm, Matthew L. and April Leigh Helm. Genealogy Online for Dummies . Hoboken, N.J. : Wiley Pub., c2008. ISBN: 0470240571 or 9780470240571 929.10285 HELM 2008 Crowe, Elizabeth Powell. Genealogy Online . New York ; Toronto : McGraw-Hill, c2008. ISBN: 9780071499316 or 0071499318 929.10285 CROWE 2008