volume 1. Northern States. part 1. Illinois.--v. 1. Northern States. part 2. New York.--v. 1. Northern States. part 3. New England States.--v. 1. Northern States. part 4.--v. 1. Northern States. New Jersey and Pennsylvania.--v. 1. Northern States. part 5. Indiana and Ohio.--v. 1. Northern States. part 6. Iowa, Kansas, Michigan, Minnesota, and Wisconsin.--v. 1. Northern States. part 7. Index of names.