1. Union general Henry Halleck Creator: D. Appleton & Co. Date: 1861 Format: Still image Access: Public
2. Union general Henry Halleck Creator: D. Appleton & Co. Date: 1861 Format: Still image Access: Public
3. Union general Irvin McDowell Creator: D. Appleton & Co. Date: 1861 Format: Still image Access: Public
4. Union general Nathaniel Lyon Creator: D. Appleton & Co. Date: 1861 Format: Still image Access: Public