Advanced Book Exchange
www.abebooks.com
Find county histories, biographies and state history books at this umbrella organization for hundreds of used book stores. You can search for tomes by keyword, author and title.
Newspaper Abstracts
www.newspaperabstracts.com
News of your ancestors may appear in this site's article abstracts from the United States, Ireland and Canada. The archives include newspaper extracts published in 1923 or earlier. Join the mailing list to receive site-update notifications.
Where to Write for Vital Records
www.cdc.gov/nchs/howto/w2w/w2welcom.htm
The National Center for Health Statistics has information on how to get marriage, birth, death and divorce data from each US State, with complete details on the dates and cost of available records.