Check out some related projects in the UK and abroad!
International Commission for the History of Representative and Parliamentary Institutions
https://www.ichrpi.info/
Europe's Parliamentary Culture project, University of Oxford
https://earlymodern.web.ox.ac.uk/recovering-europes-parliamentary-culture-1500-1700-new-approach-representative-institutions
Constitution Unit, University College London
https://www.ucl.ac.uk/constitution-unit/
History of the British Parliament, Institute of Historical Research
http://www.historyofparliamentonline.org/
Centre for Legislative Studies, University of Hull
https://www.hull.ac.uk/work-with-us/research/groups/centre-for-legislative-studies
Instituto de Estudios Históricos del Parlamento Argentino
https://iehpa.wordpress.com/institucional/
Study of Parliament Group, UK
https://studyofparliamentgroup.org
Centro de Estudos em Democracia e Instituições Políticas, Universidade Federal do Espírito Santo
https://cedip.ufes.br
Núcleo de Estudos sobre o Congresso, Universidade Estadual do Rio de Janeiro
https://necon.iesp.uerj.br