| #41 | Journal of behavior therapy and experimental psychiatry. -- Elmsford : Pergamon Press, 1970-. -- ISSN 0005-7916 print. -- ISSN 1873-7943 online |
| #42 | The journal of nervous and mental disease. -- Philadelphia : Lippincott Williams & Wilkins, 1876-. -- ISSN 0022-3018 print. -- ISSN 1539-736X online |
| #43 | Journal of neural transmission, Parkinson's disease and dementia section. -- Wien : Springer, 1989-. -- ISSN 0936-3076 |
| #44 | Journal of neuroimmunology. -- Amsterdam : Elsevier, 1981-. -- ISSN 0165-5728 print. -- ISSN 1872-8421 online |
| #45 | Journal of neurolinguistics. -- Oxford : Pergamon Press, 1985-. -- ISSN 0911-6044 print. -- ISSN 1873-8052 online |
| #46 | Journal of neurology, neurosurgery and psychiatry. -- London : British Medical Journal Publishing Group, 1944-. -- ISSN 0022-3050 |
| #47 | Journal of the American Academy of Child and Adolescent Psychiatry. -- Hagerstown : Lippincott Williams & Wilkins, 1987-. -- ISSN 0890-8567 print. -- ISSN 1527-5418 online |
| #48 | Journal of the American Psychiatric Nurses Association. -- St.Louis : Sage, 1995-. -- ISSN 1078-3903 |
| #49 | Mental retardation. -- Washington : American Association on Mental Retardation, 1963-2006. -- ISSN 0047-6765 |
| #50 | Molecular brain research. -- Amsterdam : Elsevier, 1986-2005. -- ISSN 0169-328X print. -- ISSN 1872-6941 online |