Creator
- Mels, Edgar.2
- Memminger, C. G. (Christopher Gustavus), 1803-18882
- Merryman, John, 1824-1881.2
- Miller, H. V. M. (Homer Virgil Milton), 1814-18962
- Minnigerode, Charles, 1814-1894.2
- Moffitt, A. J.2
- Moffitt, Zeno2
- Montfort, Theodorick W.2
- Nast, Thomas, 1840-19022
- National Independent Political League, Washington, D.C.2
- New-York Union Envelope Depot2
- O'Keefe, D. C.2
- Old Sailor, 1790-1846.2
- Oldham, Williamson Simpson, 1813-1868.2
- Oliver Ditson Company.2
- Owen, R.2
- Patrick, Kelly2
- Pendleton's Lithography.2
- Phillips, William2
- Pierce, George F. (George Foster), 1811-1884.2