PDFs of Statutes at Large published for the years 1789-2012.
"How To DNA is the world's first multimedia blog for genealogists exploring the world of DNA! How-to videos, podcasts, and other multimedia posts will help you interpret and understand your DNA test results, use third-party tools, and break through brick walls using DNA, all from the comfort of your own home!"
"...a comprehensive guide to the origins, etymologies and distribution of over 150,000 American surnames. Find out where in the world your surname originated, what it originally meant and how many other Americans you share it with."
Lists the meaning, origin, and alternate spellings of various surnames.
"Ghosttowns.com was founded in March 1998 with the intent of making the largest and most up to date online ghost towns and old west historical reference site for all to see. At ghosttowns.com, we feel it is important to preserve our heritage and promote the learning and understanding of our culture."
"Since its inception in 1966, more than 88,000 properties have been listed in the National Register. Together these records hold information on more than 1.4 million individual resources--buildings, sites, districts, structures, and objects--and therefore provide a link to the country's heritage at the national, state, and local levels."
They are currently digitizing their collection of applications, which include a variety of information about the place, and may contain photos and maps. At present, not all records have been digitized. They note that some state offices have digitized their records independently and made them available online (scroll to end of page to see list and links).
via Elizabeth Shown Mills' website Historic Pathways
Variety of resources for genetic genealogy.
"OpenStreetMap is a map of the world, created by people like you and free to use under an open license."
Links to digital collections of the members of the Digital Library Federation.
The site's purpose is stated as follows: "To provide a clearinghouse for information about 19th century American Poorhouses for ... history buffs, genealogists, teachers/students, and others with a similar interest."
Tons of information to help you with genetic genealogy.
Popular genealogy books.
"JPASS gives you personal access [via paid subscription] to a library of more than 1,500 academic journals on JSTOR. If you don’t have access to JSTOR through a school or public library, JPASS may be a perfect fit."
"Where Historical Maps and Family History Meet!" Subscription site.
Resource that helps you figure out if something is still under copyright.
Digitized church yearbooks going back to 1854 via the Congregational Library. "One of the library's most frequently used reference resources is a succession of denominational yearbooks dating back to 1854. They contain lists of active ministers, necrologies (obituaries) of recently deceased ministers, church statistics, and the denominations' annual reports. This resource is particularly useful to churches preparing for an anniversary, genealogists, and authors researching church histories."
Website-based lessons (put together by Kelly Wheaton) for learning about genetic genealogy.