| #311 | Magazine of history. -- Bloomington : Organization of American Historians, 1985-. -- ISSN 0882-228X print. -- ISSN 1938-2340 online |
| #312 | Il Mar Nero : Annali di Archeologia e Storia. -- Roma : Edizioni Quasar di Severino Tognon, 1994-. -- ISSN 1125-3878 |
| #313 | Marginalia historica : sborník Katedry dějin a didaktiky dějepisu Pedagogické fakulty Univerzity Karlovy. -- Praha : Scriptorium, 1996-2004. -- ISSN 2533-3291 |
| #314 | Matice Čech, Moravy a Slezska. -- Praha : Matice Čech, Moravy a Slezska, 2002-2006. -- ISSN 1213-8304 |
| #315 | Meander. -- Warszawa : Państwowe Wydawnictwo Naukowe, 1946-. -- ISSN 0025-6285 |
| #316 | Mediaeval Scandinavia. -- Odense : Odense University Press, 1968-. -- ISSN 0076-5864 |
| #317 | Mediaeval studies. -- Toronto : Pontifical Institute of Medieval Studies, 1939-. -- ISSN 0076-5872 |
| #318 | Mediaevalia historica Bohemica. -- Praha : Historický ústav AV ČR, 1991-. -- ISSN 0862-979X |
| #319 | Merkur revue : odborný časopis pro filatelii, numismatiku a notafilii. -- Brno : Merkur revue, 1995-. -- ISSN 1211-3077 |
| #320 | Metascience. -- Manly : Australasian Association for the History, Philosophy and Social Studies of Science, 1984-. -- ISSN 0815-0796 print. -- ISSN 1467-9981 online |