| #81 | Mathematical logic quarterly. -- Leipzig : Barth, 1993-. -- ISSN 0942-5616 |
| #82 | Mathematical methods of operations research. -- Heidelberg : Physica, 1996-. -- ISSN 1432-2994 print. -- ISSN 1432-5217 online |
| #83 | Mathematical modelling of systems. -- Lisse : Swets & Zeitlinger, 1995-1997. -- ISSN 1381-2424 |
| #84 | Mathware & soft computing. -- Barcelona : Secció de Matematiques i Informatica, E.T.S. d’Arquitectura, Universitat Politecnica, 1994-. -- ISSN 1134-5632 print. -- ISSN 1989-533X online |
| #85 | Monist. -- La Salle : Hegeler Institute, 1890-. -- ISSN 0026-9662 |
| #86 | Naše řeč. -- Praha : Ústav pro jazyk český AV ČR, 1918-. -- ISSN 0027-8203 |
| #87 | Natural language and linguistic theory. -- Dordrecht : Reidel, 1983-. -- ISSN 0167-806X print. -- ISSN 1573-0859 online |
| #88 | Natural language engineering. -- Cambridge : Cambridge University Press, 1995-. -- ISSN 1351-3249 print. -- ISSN 1469-8110 online |
| #89 | Natural language semantics. -- Dordrecht : Kluwer Academic Publishers, 1992-. -- ISSN 0925-854X print. -- ISSN 1572-865X online |
| #90 | Neural Network World. -- Praha : Ústav informatiky Akademie věd České republiky, 1991-. -- ISSN 1210-0552 |