| #431 | Mammalian genome. -- New York : Springer-Verlag New York, 1991-. -- ISSN 0938-8990 print. -- ISSN 1432-1777 online |
| #432 | Marine mammal science. -- Oxford : Blackwell, 1985-. -- ISSN 0824-0469 print. -- ISSN 1748-7692 online |
| #433 | Marine policy. -- Kidlington : Elsevier Science, 1977-. -- ISSN 0308-597X print. -- ISSN 1872-9460 online |
| #434 | Material und Organismen. -- Berlin : Duncker & Humblot, 1965-2000. -- ISSN 0025-5270 |
| #435 | Mathematical geology. -- New York : Plenum, 1986-2007. -- ISSN 0882-8121 print. -- ISSN 1573-8868 online |
| #436 | Mathematical geosciences. -- Dordrecht : Springer, 1990-2008. -- ISSN 1874-8961 print. -- ISSN 1874-8953 online |
| #437 | MaxPlanckForschung : Das Wissenschaftsmagazin der Max-Planck-Gesellschaft, Firemní časopis [německá verze]. -- München : Max-Planck-Gesellschaft, 1999-. -- ISSN 1616-4172 |
| #438 | MaxPlanckResearch : Science magazine of the Max Planck Society, Firemní časopis [anglická verze]. -- München : Max Planck Society, 1999- |
| #439 | McGraw-Hill yearbook of science & technology : comprehensive coverage of recent events and research as compiled by the staff of the McGraw-Hill encyclopedia of science. -- New York : McGraw-Hill, 1962-2015. -- ISSN 0076-2016 |
| #440 | Medycyna Weterynaryjna : Czasopismo Polskiego Towarzystwa Nauk Weterynaryjnych. -- Warszawa : Państwowe Wydawnictwo Rolnicze i Leśne, 1945-. -- ISSN 0025-8628 |