My goal is to have a complete listing for historical alumni, business, city, county, farm, Masonic, rural, social, and other types of directories for the United States and Canada, and then go on to add directories for other countries. There are also lists of resources, articles, and ideas of where to find offline historical directories.
This column has previously focused on African-American genealogy blogs, in the articles Shout-outs to African-American Genealogy Blogs and More shout-outs to African-American genealogy blogs. A third edition soon forthcoming will spotlight several new genealogy blogs. The responsible genealogist, however, would be advised to learn more about United States history, including how it affected African-Americans. History blogs are a vital source for keeping up with current perspectives as well as newly available historical resources, many of which may provide genealogically useful information.
The Newberry Library in Chicago has created a remarkable tool to visualize county boundary changes over time. The site allows the viewer to use map layers to picture how county boundaries fluctuate.