Linkage, Inc.
Linkage, Inc. is a global organizational development company specializing in leadership development and training.
http://www.linkageinc.com

LinkageWiz Software
LinkageWiz is a powerful data matching, de-duplication and data cleansing tool. It makes it easy to link records across multiple databases and to identify duplicate records.
http://www.linkagewiz.com/

Uncommon Measures: Equivalence and Linkage Among Educational Tests
Michael J. Feuer, Paul W. Holland, Bert F. Green, Meryl W. Bertenthal, and F. Cadell Hemphill, Editors; Committee on Equivalency and Linkage of Educational Tests, National Research Council. Complete text online.
http://books.nap.edu/catalog/6332.html

International Journal of Ecological Economics & Statistics (IJEES)
The official journal of the Association of Environmental and Resource Economists, which publishes theoretical and empirical papers concerned with the linkage between economic systems and environmental and natural resources systems.
http://www.ceser.res.in/ijees.html

Journal of Environmental Economics and Management
The official journal of the Association of Environmental and Resource Economists, which publishes theoretical and empirical papers concerned with the linkage between economic systems and environmental and natural resources systems.
http://www.aere.org/journal/

Den International
The ultimate site for sourcing of Tractor Linkage Parts, Nuts & Bolts and any kind of Hardware Items
http://www.angelfire.com/mt/den/

TRIMHAP
Implements linkage disequilibrium mapping techniques.
http://www.vipbg.vcu.edu/trimhap/

The Link King
Integrated Probabilistic and Deterministic Record Linkage Software FREE from The Link King
http://the-link-king.com

Statistical Linkage Programs
Information about statistics for genetic analysis.
http://linkage.rockefeller.edu/wli/

Chadson International Ltd.
chadson international is ludhiana,india based manufacturer & exporter of tractor parts & accessories,tractor linkage parts,auto parts,bolts & nuts,fasteners,and agricultural parts
http://www.chadsons.com/