The project’s research team has gathered, cleansed, and codified data relating to over 4000 UK museum. It covers the period from 1960 to date.

Primary sources include: 
- Arts Council England list of accredited museum, 2017
- Association of Independent Museums members list, 2016
- Association of Independent Museums members list, 1982
- Association of Independent Museums non-members list, 1982
- AMOT Guide to Military Museums in the UK, 2010/2011
- Digest of Museum Statistics, 1998
- Historic Houses Association Friends Pocket Guide, 2016
- Historic Houses & Castles in Great Britain and Northern Ireland, London: Index Publishers 1959
- Kenneth Hudson and Ann Nicholls, The Directory of Museums and Living Displays, London: Macmillan 1985
- Micromuseums Archive, Bishopsgate Institute, London
- Museum and Libraries Division, Wales. Raw data from ‘Spotlight’ reports, 2002, and published data 2007, 2013, 2015
- Museums and Galleries Scotland museums list, 2016
- Northern Ireland Museums Council, museum list, 2012, 2016
- Museum Association ‘Find a Museum’ website, 2017
- Museums Association’s Museums Calendar, 1970
- Scottish Museums Council, A Collective Insight: Scotland’s National Audit; full findings report, 2002.
- Standing Commission on Museums and Galleries, Survey of Provincial Museums, 1963
- Wikipedia lists of museum by country/county

See data collection description at http://museweb.dcs.bbk.ac.uk/sources for more details.