Index card

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For the book, see The Index Card.
"Card index" redirects here. For the rotating device used to store information, see Rolodex.
An index card in a library card catalog. This type of cataloging has mostly been supplanted by computerization.
A hand-written American index card.
A ruled index card

An index card (or record card in British English and system cards in Australian English) consists of card stock (heavy paper) cut to a standard size, used for recording and storing small amounts of discrete data. A collection of such cards either serves as, or aids the creation of, an index for expedited lookup of information (such as a library catalog or a back-of-the-book index). This system was invented by Carl Linnaeus,[1] around 1760.[2][3]

Format[]

The most common size for index card in North America and the UK is 3 by 5 inches (76.2 by 127.0 mm), hence the common name 3-by-5 card. Other sizes widely available include 4 by 6 inches (101.6 by 152.4 mm), 5 by 8 inches (127.0 by 203.2 mm) and ISO-size A7 (74 by 105 mm or 2.9 by 4.1 in). Cards are available in blank, ruled and grid styles in a variety of colors. Special divider cards with protruding tabs and a variety of cases and trays to hold the cards are also sold by stationers and office product companies. They are part of standard stationery and office supplies all around the globe.

Uses[]

Index cards are used for a wide range of applications and environments: in the home to record and store recipes, shopping lists, contact information and other organizational data; in business to record presentation notes, project research and notes, and contact information; in schools as flash cards or other visual aids; and in academic research to hold data such as bibliographical citations or notes (see Zettelkasten). Professional book indexers used index cards in the creation of book indexes until they were replaced by indexing software in the 1980s and 1990s.

An often suggested organization method for bibliographical use is to use the smaller 3-inch by 5-inch cards to record the title and citation information of works cited, while using larger cards for recording quotes or other data. Index cards are used for many events and are helpful for planning.

History[]

Carl Linnaeus invented the index card in order to help deal with the information overload facing early scientists that occurred from overseas discoveries. Linnaeus had to deal with a conflict between needing to bring information into a fixed order for purposes of later retrieval, and needing to integrate new information into that order permanently. His solution was to keep information on particular subjects on separate sheets, which could be complemented and reshuffled. In the mid 1760s Linnaeus refined this into what we call index cards. Index cards could be selected and moved around at will to update and compare information at any time.[4]

Until the digitization of library catalogs, which began in the 1980s, the primary tool used to locate books was the card catalog, in which every book was described on three cards, filed alphabetically under its title, author, and subject (if non-fiction). Similar catalogs were used by law firms and other entities to organize large quantities of stored documents. However, the adoption of standard cataloging protocols throughout nations with international agreements, along with the rise of the Internet and the conversion of cataloging systems to digital storage and retrieval, has made obsolescent the widespread use of index cards for cataloging.

The first early modern card index was designed by Thomas Harrison (ca 1640s). Harrison's manuscript on The Ark of Studies[5] (Arca studiorum) was edited and improved by Vincent Placcius in his well-known handbook on excerpting methods (De arte excerpendi, 1689). Using cards to create an index was the brainchild of 18th-century naturalist Carl Linnaeus, who is known as "the father of modern taxonomy" for his work on categorizing species. For organizing data, he needed a system for that was expandable and able to be rearranged easily; so he kept each datum on an individual sheet, and could add new sheets and reorganize simply.

Card catalogs as currently known arose in the 19th century, and Melvil Dewey standardized the index cards used in library card catalogs in the 1870s.

In the late 1890s, edge-notched cards were invented, which allowed for easy sorting of data by means of a needle-like tool. These edge-notched cards were phased out in the 1980s in favor of computer databases, and they are no longer sold.

Kardex index card filing system

James Rand, Sr.'s Rand Ledger Company (founded 1898) with its Visible Ledger system, and his son James Rand, Jr.'s American Kardex dominated sales of index card filing systems worldwide through much of the 20th century. "Kardex" became a common noun, especially in the medical records field where "filing a kardex" came to mean filling out a patient record on an index card.[6]

Vladimir Nabokov wrote his works on index cards, a practice mentioned in his work Pale Fire.[7]

See also[]

Literature[]

  • Alberto Cevolini (Ed.): Forgetting Machines. Knowledge Management Evolution in Early Modern Europe. Brill, Leiden/Boston 2016
  • Thomas Harrison: The Ark of Studies. Ed. by Alberto Cevolini. Brepols, Turnhout 2017
  • Markus Krajewski: Paper Machines. About cards & catalogs, 1548-1929. MIT Press, Cambridge 2011, ISBN 978-0-262-01589-9

References[]

  1. ^ Carl Linnaeus Invented The Index Card ScienceDaily, June 16, 2009
  2. ^ Staffan Müller-Wille, Sara Scharf Indexing Nature: Carl Linnaeus (1707-1778) and his Fact-Gathering Strategies University of Exeter & University of Toronto, 2009, p. 4 Archived 2010-12-25 at the Wayback Machine
  3. ^ Everts, Sarah (2016). "Information Overload". Distillations. 2 (2): 26–33. Retrieved 20 March 2018.
  4. ^ "Carl Linnaeus Invented The Index Card". ScienceDaily. Retrieved 2020-07-31.
  5. ^ Thomas Harrison, The Ark of Studies. Ed. by Alberto Cevolini. Turnhout: Brepols, 2017
  6. ^ "Kardex". Encyclopedia.com – A Dictionary of Nursing. HighBeam Research. 2008. Retrieved September 11, 2014.
  7. ^ Gold, Herbert (1967). "Vladimir Nabokov, The Art of Fiction No. 40". The Paris Review. Summer-Fall 1967 (41). Retrieved 7 April 2013.

Further reading[]

External links[]

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