BPH
Marcellia; rivista internazionale di cecidologia. Padua, Avellino, Strasbourg. Vol. 1-40?, 1902-70? Marcellia. ULS 3-2537-2. HI 56099
Mare magnum; revista de divulgação científica da Sociedade de Amigos do Museu Oceanográfico do Vale do Itajaí. Balneário Cambori. Vol. 1+, 2001+. Mare Magnum. ULS reference. ISSN 1676-5788 HI 83879
Margaulx, Le. Perce, Québec. Vol. 1+, 1976+. Margaulx. HI 67517
Maritimes. Kingston, RI. Vol. 1+, 1957+. Maritimes. HI 67538
Märkische Heimat; aus Natur und Geschichte der Bezirke Cottbus, Frankfurt (Oder), Potsdam. Potsdam. Vols. 1-6, 1956-62. Märk. Heimat. HI 56100
Der Märkische Naturschutz. Berlin. Vols. 4-5, 1938-42. Märk. Naturschutz. Preceded by: Naturdenkmalpflege und Naturschutz in Berlin und Brandenburg. Berlin-Lichterfelde. HI 56101
Market bulletin, Florida Department of Agriculture. Jacksonville, FL. ?-1919+. Market Bull. HI 56102
La Marque. ?-1971-73-? Marque. HI 67539
Martonvásári növénytermelési kutató intézet évkönyve. Martonvasar. 1950 [1952]. Martonvásári Növényterm. Kutató Intéz. Évk. HI 56103
Special bulletin, Maryland Agricultural Experiment Station. College Park, MD. Nos. A-K, 1889-93. Maryland Agric. Exp. Sta. Special Bull. HI 56110
Maryland conservationist. Baltimore, MD. Vols. 1-45(3), 1924-68. Maryland Conservationist. Superseded by: Maryland magazine [not entered]. ULS 3-2545-3. HI 67541
Maryland fruit grower's news letter. College Park, MD. 1951?-59. Maryland Fruit Grower's News Lett. HI 82496
The Maryland fruit grower. College Park, Hancock, MD. Vol. 1+, 1931+. Maryland Fruit Grower. HI 67542
Maryland Geological Survey; [subtitle varies]. Baltimore, MD. Vols. 1-8, 1901-23. Maryland Geol. Surv. HI 84919
Maryland grapevine. Germantown, Burkittsville, MD. Vol. 1+, 1981+. Maryland Grapevine. ULS reference. ISSN none. HI 67543
Maryland naturalist. Baltimore, MD. Vol. 18+, 1948+. Maryland Naturalist. Preceded by: Maryland. Baltimore, MD. ULS 3-2547-1. HI 67544
Maryland; a journal of natural history. Baltimore, MD. Vols. 14-17, 1944-47. Maryland. Preceded by: Bulletin, Natural History Society of Maryland. Baltimore, MD. Superseded by: Maryland naturalist. Baltimore, MD. ULS 3-2547-1. HI 67540
Massachusetts agricultural repository and journal. Boston, MA. Vols. [1]-10, 1793-1832. Mass. Agric. Repos. J. Vols. [1] and [2] comprise a series of unnumbered publications published in 1793-1811 under various titles. ULS 3-2550-2. HI 56116
Massachusetts Audubon bulletin. Boston, MA. 1917-61. Mass. Audubon Bull. Superseded by: Massachusetts Audubon newsletter. HI 67546
Massachusetts Audubon newsletter. Lincoln, MA. Vols. 1-12, 1961-73. Mass. Audubon Newslett. Preceded by: Massachusetts Audubon bulletin. Superseded by: Newsletter, Massachusetts Audubon Society. HI 67547
Massachusetts ploughman and New England journal of agriculture. Boston, MA. Vols. 1-65 1840-1906. Mass. Ploughman New England J. Agric. Absorbed by: American cultivator. Boston, MA. HI 79587
Massachusetts wildlife. Worcester, MA. Vol. 1+, 1950?+. Mass. Wildlife. HI 67548
Massachusetts agriculture. Bulletin. Boston, MA. Vol. 1+, 1908+. Massachusetts Agric. Bull. HI 82029
Massachusetts Audubon. Lincoln, MA. Vols. 43-56, 1959-71. Massachusetts Audubon. Preceded by: Bulletin, Massachusetts Audubon Society. ?Lincoln, MA. ULS reference. ISSN 0025-4746 HI 84218
Matematikai és természettudományi értesitö. Budapest. Vols. 40-63, 1923-43. Mat. Term. Értes. Preceded by: Mathematikai és természettudományi értesitö. Budapest. HI 56118
