41. Union general Henry Halleck Creator: O'Neill, John A., approximately 1836- Date: between 1861 and 1865 Format: Still image Access: Public
42. Union general Henry Halleck Creator: Smith, Henry Wright, 1828- Date: between 1861 and 1865 Format: Still image Access: Public
43. Union general Henry Halleck Creator: Stodart, George J., -1884 Date: between 1861 and 1865 Format: Still image Access: Public
44. Union general Irvin McDowell Creator: Charles D. Fredericks & Co. Date: between 1861 and 1865 Format: Still image Access: Public
45. Union general Irvin McDowell Creator: D. Appleton & Co. Date: 1861 Format: Still image Access: Public
50. Union general James S. Wadsworth Creator: Brady's National Photographic Portrait Galleries Date: between 1861 and 1864 Format: Still image Access: Public