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The Library of Congress Classification (LCC) is a system of "library classification developed by the "Library of Congress. It is used by most research and academic libraries in the U.S. and several other countries.[1]

LCC should not be confused with LCCN, the system of "Library of Congress Control Numbers assigned to all books (and authors), which also defines "URLs of their online catalog entries, such as "82006074" and "http://lccn.loc.gov/82006074".[a] The Classification is also distinct from "Library of Congress Subject Headings, the system of labels such as "Boarding schools" and "Boarding schools—Fiction" that describe contents systematically.[b] Finally, the classifications may be distinguished from the call numbers assigned to particular copies of books in the collection, such as "PZ7.J684 Wj 1982 FT MEADE Copy 1" where the classification is "PZ7.J684 Wj 1982".[c]

The classification was invented by "Herbert Putnam in 1897, just before he assumed the librarianship of Congress. With advice from "Charles Ammi Cutter, it was influenced by his "Cutter Expansive Classification, the "Dewey Decimal System, and the "Putnam Classification System (developed while Putnam was head librarian at the "Minneapolis Public Library).[2][3] It was designed specifically for the purposes and collection of the Library of Congress to replace the fixed location system developed by "Thomas Jefferson. By the time Putnam departed from his post in 1939, all the classes except K (Law) and parts of B (Philosophy and Religion) were well developed.

LCC has been criticized for lacking a sound theoretical basis; many of the classification decisions were driven by the practical needs of that library rather than "epistemological considerations.[4] Although it divides subjects into broad categories, it is essentially "enumerative in nature. That is, it provides a guide to the books actually in one library's collections, not a classification of the world.

In 2007 "The Wall Street Journal reported that in the countries it surveyed most public libraries and small academic libraries used the older "Dewey Decimal Classification system.[1]

The "National Library of Medicine classification system (NLM) uses the initial letters W and QSQZ, which are not used by LCC. Some libraries use NLM in conjunction with LCC, eschewing LCC's R for Medicine. Others use LCC's QPQR schedules and include Medicine R.["clarification needed][5][6]

Contents

Classification[edit]

""
""
"Java programming books in the QA subclass.
Letter Subject area
A "General Works
B "Philosophy, Psychology, and Religion
C "Auxiliary Sciences of History
D "General and Old World History
E "History of America
F "History of the United States and British, Dutch, French, and Latin America
G "Geography, Anthropology, and Recreation
H "Social Sciences
J "Political Science
K "Law
L "Education
M "Music
N "Fine Arts
P "Language and Literature
Q "Science
R "Medicine
S "Agriculture
T "Technology
U "Military Science
V "Naval Science
Z "Bibliography, Library Science, and General Information Resources

Class A – General Works[edit]

Class B – Philosophy, Psychology, Religion[edit]

Class C – Auxiliary Sciences of History (General)[edit]

Class D – World History (except American History)[edit]

Class E – American History[edit]

Class F – Local History of the United States and British, Dutch, French, and Latin America[edit]

Class G – Geography, Anthropology, Recreation[edit]

Class H – Social Sciences[edit]

Class J – Political Science[edit]

Class K – Law[edit]

Class L – Education[edit]

Class M – Music[edit]

Class N – Fine Arts[edit]

Class P – Language and Literature[edit]

""
""
The PN-subclass shelf.

Class Q – Science[edit]

Class R – Medicine[edit]

Class S – Agriculture[edit]

Class T – Technology[edit]

Class U – Military Science[edit]

Class V – Naval Science[edit]

Class Z – Bibliography, Library Science[edit]

See also[edit]

Notes[edit]

  1. ^ LCCN also covers authors, which LCC does not. For authors (people), the letter 'n' accompanies the number, and they too define URLs in a parallel catalog, such as "n83160096" and "http://lccn.loc.gov/n83160096". (So LCCN may be called alphanumeric.)
  2. ^ LCSH too is developed by the Library and assigns alphanumeric IDs. A closer look at this example shows refinements defined in 2004, 2007, and 2009. LCSH: Boarding schools.
  3. ^ "FT MEADE" and "Copy 1" are specific to the Library of Congress collection, where FT MEADE refers to a facility located at "Fort George G. Meade. All libraries that use LCC assign call numbers that begin "PZ7.J684 Wj 1982" to their copies of the 1982 edition of this book.

References[edit]

  1. ^ a b Lavallee, Andrew (July 20, 2007). "Discord Over Dewey: A New Library in Arizona Fans a Heated Debate Over What Some Call the 'Googlization' of Libraries". Wall Street Journal. Retrieved 25 May 2013. Some 95% of U.S. public libraries use Dewey, and nearly all of the others, the OCLC says, use a closely related Library of Congress system. 
  2. ^ Claire Kelley. "A library classification system that’s older than the Dewey Decimal and Library of Congress models".
  3. ^ Andy Sturdevant. "Cracking the spine on Hennepin County Library's many hidden charms". "MinnPost, 02/05/14.
  4. ^ Hickey, Doralyn J. (1969). "The Library Quarterly: Information, Community, Policy". 
  5. ^ Taylor, A. G., & Joudrey, D.N. (2009). The organization of information. 3rd ed. Englewood: Libraries Unlimited.
  6. ^ Chan, L. M.(2007). Cataloguing and classification: An introduction. 3rd ed. Scarecrow Press.
  7. ^ National Library of Canada. "Class FC: a classification for Canadian history" (PDF). PDF publication. National Library of Canada. Retrieved May 21, 2018. 
  8. ^ Rutherford, D. "Canadian History Call Numbers". Queens University Library. Retrieved May 21, 2018. 

External links[edit]

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