Twin Research
australianacademicpress.com.au
Journal of the International Society for Twin Studies. Topics covered in the journal include behavioral genetics, complex diseases, endocrinology, fetal pathology and other areas of research.
Twin Studies
ibgwww.colorado.edu
From the Institute of Behavioral Genetics at the University of Colorado. A handful of studies for twins of all ages.
Australian Twin Registry
twins.org.au
Includes a newsletter, registry for twins, study information and conferences.
Sleep Research Study for Twins
uphs.upenn.edu
The University of Pennsylvania is recruiting same-sex twins living in the eastern time zone who are between the ages of 25 and 59 to participate in a sleep research study.
Twin Studies of Homosexuality
dai.ed.ac.uk
An unpublished dissertation on twins and studies in homosexuality.
Twin Research and Genetic Epidemiology
twin-research.ac.uk
Located at St Thomas' Hospital, London, UK.
Twins Personality Survey
outofservice.com
A twin survey on personality, conducted by researchers at Virginia Commonwealth University.
International Society for Twin Studies
ists.qimr.edu.au
Events, journal, bylaws, membership information.
Twin Research
twin-research.com
Newsletter, research information, survey.
Millennium Twins
millennium-twins.de
A longitudinal sociological study of twins born in the new millennium.
Northern California Twin Registry
sri.com
If you and your twin are over the age of 18, live in the Bay Area, and are interested in registering, you will be invited to participate in studies and be eligible to receive payment for your participation.
The Center for Study of Multiple Birth
multiplebirth.com
Recognized internationally as a unique resource for research and information about the causes, effects and problems of multifetal pregnancy.