Unit record equipment (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Unit record equipment" in English language version.

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archive.org

Data processing equipment can be divided into two basic types - computers and unit record machines. Unit Record derives form the common use of punchcards to carry information on a one-item-per-card basis, which makes them unit records. Janda, Kenneth (1965). Data Processing. Northwestern University Press. p. 47.
Bashe, Charles J.; Johnson, Lyle R.; Palmer, John H.; Pugh, Emerson W. (1986). IBM's Early Computers. MIT Press. ISBN 0-262-02225-7.
William Rodgers (1969). THINK: A Biography of the Watsons and IBM. p. 83. ISBN 9780297000235.
Pugh, Emerson W.; Johnson, Lyle R.; Palmer, John H. (1991). IBM's 360 and early 370 systems. MIT Press. p. 34. ISBN 0-262-16123-0.

bitsavers.org

International Business Machines Corp. (1957). Machine Functions (PDF). 224-8208-3. {{cite book}}: |author= has generic name (help)
International Business Machines Corp. (1959). Flow Charting and Block Diagramming Techniques (PDF). /C20-8008-0. {{cite book}}: |author= has generic name (help)
"IBM 1940 products brochure" (PDF).
IBM 101 Electronic Statistical Machine - Reference Manal (PDF).
IBM (1949). The How and Why of IBM Mark Sensing (PDF). 52-5862-0. Retrieved 2019-08-19.
IBM (1958). IBM 063 Card-Controlled Tape Punch (PDF). 224-5997-3.
IBM (1963). IBM Accounting Machine: 402, 403 and 419 Principles of Operation (PDF). 224-1614-13.
IBM (1956). IBM Reference Manual: Functional Wiring Principles (PDF). 22-6275-0.

books.google.com

Austrian, Geoffrey D. (1982). Herman Hollerith: Forgotten Giant of Information Processing. Columbia University Press. pp. 41, 178–179. ISBN 0-231-05146-8.
Truesdell, Leon Edgar (1965). The development of punch card tabulation in the Bureau of the Census, 1890-1940: with outlines of actual tabulation programs. U.S. G.P.O. pp. 84–86.

californiatabcard.com

"California Tab Card Company". Archived from the original on 2016-01-25. Retrieved 2016-01-02.

census.gov

chron.com

Conroe company still using computers museums want to put on display By Craig Hlavaty, Houston Chronicle, April 24, 2013

columbia.edu

computerhistory.org

Computer History Museum: Underwood Corporation

feb-patrimoine.com

Heide, Lars (2002) National Capital in the Emergence of a Challenger to IBM in France Archived March 4, 2016, at the Wayback Machine
H.W.Egli - BULL Tabulator model T30 Archived May 7, 2012, at the Wayback Machine
Equipements à cartes perforées (Punched cards machines) type A (GR) 1941-1950 Archived August 21, 2013, at the Wayback Machine
Bull Gamma 3 1952-1960 Archived July 27, 2013, at the Wayback Machine

gettyimages.com

An Underwood-Samas sorter

groups.google.com

"Cardamation". ibm-main (Mailing list).

ibm-1401.info

Visit to a working IBM 402 in Conroe, Texas

ibm.com

www-03.ibm.com

legacy.com

"Robert G. Swartz". legacy.com. December 19, 2011.

pagesperso-orange.fr

jeanbellec.pagesperso-orange.fr

Information Technology Industry TimeLine

technikum29.de

Bull Gamma 3

trailing-edge.com

bitsavers.trailing-edge.com

IBM Corporation (1959). IBM 1401 Data Processing System: From Control Panel to Stored Program (PDF). Order number F20-208.

washingtonpost.com

IBM Punch-Card Plant Will Close, Joseph Perkins, The Washington Post, July 2, 1984

web.archive.org

Heide, Lars (2002) National Capital in the Emergence of a Challenger to IBM in France Archived March 4, 2016, at the Wayback Machine
H.W.Egli - BULL Tabulator model T30 Archived May 7, 2012, at the Wayback Machine
Equipements à cartes perforées (Punched cards machines) type A (GR) 1941-1950 Archived August 21, 2013, at the Wayback Machine
Bull Gamma 3 1952-1960 Archived July 27, 2013, at the Wayback Machine
"California Tab Card Company". Archived from the original on 2016-01-25. Retrieved 2016-01-02.

wired.com

Dyson, George (1999) The Undead (Cardamation), Wired v.7.03