Scottish History Society	http://www.scottishhistorysociety.org
Catholic Record Society (UK)	http://www.catholic-history.org.uk/crs
Catholic Archives Society (UK)	http://www.catholic-history.org.uk/catharch
Catholic Family History Society (UK)	http://www.catholic-history.org.uk/cfhs
Midland Catholic History Society (UK)	http://www.catholic-history.org.uk/midland
North East Catholic History Society (UK)	http://www.catholic-history.org.uk/nechs
North West Catholic History Society (UK)	http://www.catholic-history.org.uk/nwchs
Postgate Society (UK)	http://www.catholic-history.org.uk/postgate.htm
Religious Archives Group (UK)	http://rylibweb.web.its.manchester.ac.uk/rag2/
American Catholic Historical Association	http://research.cua.edu/acha/
American Catholic Historical Society	http://www.amchs.org/
Australian Catholic Historical Society	http://australiancatholichistoricalsociety.com.au/
Canadian Catholic Historical Association	http://www.umanitoba.ca/colleges/st_pauls/ccha/index2.html
Texas Catholic Historical Society	http://www.onr.com/user/cat/TCHS.htm
Catholic Historical Society of Westen PA	http://www.catholichistorywpa.org/