International Society for Quality of Life Research (ISOQOL)
Quality of life measurement is getting more and more essential in clinical research and drug development. ISOQOL gives a lot of information on instruments and methods.
More information: www.isoqol.org

Further more the book of Sam Salek (Ed.) "Compendium of Quality of Life Instruments" provides you with information about compilations of Qol instruments.
(look at wiley's web site and search for salek) www.wiley.com
or look at for the book of Marcello Tamburine (Ed.) "Quality of life Assessment in Medicine"

Medline
A great help is our free access to Medline, a collection of approx. 9 million records from 3.900 biomedical journals. More information: www.ncbi.nlm.nih.gov/PubMed

British Medical Journal
The electronic version you can find at: www.bmj.com

New Scientist
The New Scientist with interesting reports on the current trends of research can be found at: www.newscientist.com