https://www.constituteproject.org/
A site offering resources and access to all the constitutions that are online.
www.ipu.org/parline-e/parlinesearch.asp
An International Parliamentary Union database on structure and working of parliaments around the world.
www.ipu.org/english/parlweb.htm
A link to websites of national parliaments.
Institute for Democracy and Electoral Assistance
https://www.idea.int/our-work/what-we-do/gender-democracy
The International IDEA website on democracy and gender issues.
http://boundarycommissionforengland.independent.gov.uk/
The gateway to the work of the Boundary Commission for England.
http://www.bcomm-scotland.independent.gov.uk/
The gateway to the work of the Boundary Commission for Scotland.
Boundary Commission for Wales; Final Recommendations from 2018.
https://www.pippanorris.com/data
Databases on British constituencies and electoral results.