Melvil Decimal System: 574.974
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Philosophy and Psychology
Mathematics and Science
Arts and Recreation
Biography and History
Earth sciences & geology
Fossils & prehistoric life
Physiology and related subjects
Specific parts of and physiological systems in plants
Evolution And Genetics
Natural history of organisms and related subjects
Natural history of microorganisms, fungi, algae
Physiology & Biochemistry
Biology of Marine Environments
Mexico, Central America, and the Caribbean
South Central U.S.
West Coast U.S.
Works under MDS 574.974
- Urban wilds by Ogden Tanner
- A Natural History of New York City by John Kieran
- Common Ground: A Naturalist's Cape Cod by Robert Finch
- Hill Country Harvest by Hal Borland
- The Wild Edge: Life and Lore of the Great Atlantic Beaches by Philip Kopper
- Adirondack Wildguide: A Natural History of the Adirondack Park by Michael G. DiNunzio
- A Field Guide to the Pine Barrens of New Jersey : Its Flora Fauna Ecology and Historic Sites by Howard P. Boyd
- A Sierra Club Naturalist's Guide to the North Atlantic Coast: Cape Cod to Newfoundland by Michael Berrill
- Footnotes on Nature by John Kieran
- The Outer Lands: A Natural History Guide to Cape Cod, Martha's Vineyard, Nantucket, Block Island, and Long Island by Dorothy Sterling
- The Primal Place by Robert Finch
- The Beginning Naturalist: Weekly Encounters With the Natural World by Gale Lawrence
- A Sierra Club Naturalist's Guide to The Piedmont by Michael A. Godfrey
- Nature's year; the seasons of Cape Cod by John Hay
- Land Alive by Ronald N. Rood
- The Ecology of a Summer House by Vincent Gaston Dethier
- The sandy shore by John Hay
- Seashells in my pocket: A child's guide to exploring the Atlantic coast from Maine to North Carolina by Judith Hansen
- Shallow Waters: A Year on Cape Cod's Pleasant Bay by William Sargent
- Beachcomber's Guide from Cape Cod to Cape Hatteras (Beachcomber's Guide S.) by Henry Keatts
- Seashells In My Pocket, 2nd by Judith Hanson
- Thousand Acre Marsh by Dudley Cammett Lunt
- Vascular flora of Rhode Island : a list of native and naturalized plants by Lisa Lofland Gould
- Exploring New England shores;: A beachcomber's handbook by John Frederick Waters
- Living Resources and Habitats of the Lower Connecticut River
- The backyard wilderness: From the Canadian Maritimes to the Florida Keys by Vincent Abraitys
- One man's pleasure; a journal of the wilderness world by Hugh Fosburgh
- The year outdoors; a New Jersey chronicle by Eva Rodimer
- Sea Flavor by Haydn S. Pearson
- The Beginning Naturalist: Weekly Encounters With The Natural World by Gale Lawrence
- The Birch Bark Books of Henry Abbott: Sporting Adventures and Nature Observations in the Adirondacks in the Early 1900s by Henry Abbott
- Bobcats before breakfast by John Kulish
- Great Wilderness Days in the Words of John Burroughs by John Burroughs
- Biological Survey of the Mount Desert Region: Part VII--The Insect Fauna with references to methods and capture, food plants, the flora and other biological features.
- Nature, Nurture, and Nostalgia (Gleaned from the Black River Journal) by Louis Mihalyi
- Biological Survey of the Mount Desert Region: Part VI--The Insect Fauna with References to Methods of Capture, Food Plants, the Flora and other biological features
- Wild Life in the Blue Mountain Forest by Ernest Harold Baynes
- Occasional papers of the Boston Society of Natural History by Boston Society of Natural History
- Concord, Out of Door Sketches by Alfred Munroe
- Nature's quiet conversations by John A. Weeks
- Ecosystems and Resources of the Massachusetts Coast by Carl; King Carlozzi, Kathryn and Newbold, William F.
- The hidden world of plants : a scanning electron microscope survey of the Native Plant Collection, Connecticut College A by Danica C. Kubick
- Biological Survey of the Mount Desert Region: Part V--A Report of the Organization, Laboratory Equipment, Methods and Station Lists together with a List of the Marine Fauna with descriptions and Places of capture. To which is added a list of Arachnida and other non-marine forms.
MDS classes with significant recommendations overlap, excluding ones under the same top-level class.
What is MDS?
Melvil stands for "Melvil Decimal System," named after Melvil Dewey, the famous librarian. Melvil Dewey invented his Dewey Decimal System in 1876, and early versions of his system are in the public domain.
More recent editions of his system are in copyright, and the name "Dewey," "Dewey Decimal," "Dewey Decimal Classification" and "DDC" are registered trademarked by OCLC, who publish periodic revisions.
LibraryThing's MDS system is based on the classification work of libraries around the world, whose assignments are not copyrightable. MDS "scheduldes" (the words that describe the numbers) are user-added, and based on public domain editions of the system.
The Melvil Decimal System is NOT the Dewey Decimal System of today. Wordings, which are entered by members, can only come from public domain sources. The base system is the Free Decimal System, a public domain classification created by John Mark Ockerbloom. Where useful or necessary, wording comes from the 1922 edition of the Dewey Decimal System. Language and concepts may be changed to fit modern tastes, or to better describe books cataloged. Wordings may not come from in-copyright sources.