00595cam a2200217 4500 157479938 TxAuBib 20130111120000.0 990224s1998||||||||||||||||||||||||und|u 98-85137 9780764503771 0764503774 TxAuBib Helm, Matthew L. & April Leigh. Genealogy online for dummies. California : IDG Books Worldwide, 1998. 315p., pkb. 19990224. Genealogy--Data processing. TXEUL