National Society Daughters of the Union gives financial support to Lincoln Memorial University.
Preserving the Memory of the Grand Army of the Republic and our Ancestors who Fought to Preserve the Union 1861-1865
Military Order of the Loyal Legion of the United States, established in 1865.
Just about anything you want to know about medicine during the Civil War can be found on this site - as well as much more about the Civil War.
This site has been developed not just to give links to other sites (of course it does some of that ), rather it is to provide information to Civil War enthusiasts that is not readily available elsewhere on the Internet.
This site not only has a brief story of Clara Barton's life, but also links to biographies about Clara and links to good sources on the Civil War, particularly women's roles in the war.
Lists of genealogy sites on the Internet. Very useful.