M.O.N.
- Naudi, Dr., [122], [123]
- Needham, Dr., [458], [504]
- Newington, Dr. Hayes, [497]
- Newton, Mr., his map, [60], [61], [508]
- ——, Dr., [92]
- Nicoll, Mr. S. W., [129]
- Nicolson, Dr., [494]
- Nider, [36]
- Night goblin visitors (nightmare), [5]
- Niolin, red, [4]
- Non-restraint, [139], [177], [182], [204], [205], [213], [216], [220], [221], [223], [226], [228], [240], [342], [360], [416], [448], [494]
- Norfolk Asylum, [165], [166], [214], [250]
- Norman Conquest, treatment before the, [1]
- Normansfield, [307]
- Norris, case of, [79]
- Northampton Lunatic Hospital, [210], [213], [244], [504]
- Northumberland Asylum, [250]
- Norwich Asylum, [235], [249]
- Nottingham Asylum, [165], [166], [214], [486]
- Nugent, Dr., [417], [423]