Montana amphibian and reptile status assessment, literature review, and conservation plan - United States. Bureau of Land Management. (Montana Natural Heritage Program, 2009)

Montana's comprehensive fish and wildlife conservation strategy - Montana. Department of Fish, Wildlife,; Parks (Montana Fish, Wildlife and Parks, 2005)

Montana wildlife - Montana. Dept. of Fish; Game. Information-Education Division. (The Division, 1967)

Monthly American Journal of Geology & Natural Science (1831)

Monthly Magazine or British Register (of Politics, Literature and the Belles Lettres) (1808)

Monthly Magazine or British Register (of Politics, Literature and the Belles Lettres) (1821)

Monthly Magazine or British Register (of Politics, Literature and the Belles Lettres) (1806)

Moore's rural New-Yorker - Moore, D. D. T. (D.D.T. Moore, 1850)

Morphologische Arbeiten (G. Fischer, 1891)

Morphologische Arbeiten (G. Fischer, 1892)

Morphologische Arbeiten (G. Fischer, 1893)

Morphologische Arbeiten (G. Fischer, 1894)

Morphologische und physiologische Analyse der Zelle der Pflanzen und Tiere : Grundzüge unseres Wissens über den Bau der Zelle und über dessen Beziehung zur Leistung der Zelle - Meyer, Arthur, 1850 -1922 (G. Fischer, 1920)

Morphologisches Jahrbuch (Wilhelm Engelmann, 1876)

Morphologisches Jahrbuch (Wilhelm Engelmann, 1883)

The morphology and evolutional significance of the pineal body : being part I of a contribution to the study of the epiphysis cerebri with an interpretation of the morphological, physiological and clinical evidence - Tilney, Frederick, 1875 -1938 (The Wistar Institute of Anatomy and Biology, 1919)

The morphology and evolutional significance of the pineal body; being part I of a contribution to the study of the epiphysis cerebri with an interpretation of the morphological, physiological and clinical evidence - Tilney, Frederick, 1875 -1938 (The Wistar Institute of Anatomy and Biology, 1919)

The mountain - Jackson, Robert Montgomery Smith, 1815 -1865 (J. B. Lippincott & Co, 1860)

Movement and survival of captive-reared gharial Gavialis gangeticus in the Narayani River, Nepal - Maskey, Tirtha Man, 1948 - (1989)

Mrs. Loudon's Entertaining naturalist, being popular descriptors, tales, and anecdotes of more than five hundred animals - Dallas, W. S. (William Sweetland), 1824 -1890 (Bell & Daldy, 1867)

Mundus subterraneus, in XII libros digestus : qvo divinum subterrestris mundi opificium, mira ergasteriorum naturae in eo distributio, verbo [pantamorphon] Protei regnum, universae denique naturae majestas & divitiae summa rerum varietate exponuntur, abditorum effectuum causae acri indagine inquistae demonstrantur, cognitae per artis & naturae conjugium ad humanae vitae necessarium usum vario experimentorum apparata, necnon novo modo & ratione applicantur. Ad Alexandrum VII. pont. opt. max - Kircher, Athanasius, 1602 -1680 (apud Joannem Janssonium à Waesberge & filios, 1678)

Musaeum Regalis Societatis, or, A catalogue & description of the natural and artificial rarities belonging to the Royal Society and preserved at Gresham Colledge - Grew, Nehemiah, 1641 -1712 (Printed by W. Rawlins, for the author, 1681)

Musaeum Regalis Societatis, or, A catalogue & description of the natural and artificial rarities belonging to the Royal Society and preserved at Gresham Colledge - Grew, Nehemiah, 1641 -1712 (Printed for Hugh Newman at the Grashopper in the Poultrey, 1694)