Heath, R (1995) ‘What do customers want: in-depth market research study of the southwales furniture market’ Arthur Llewellyn Jenkins Department Store.
Heath, R (1996) ‘The costs of the SEN statement process: research findings and recommendations for making savings’, Dyfed LEA with WLGA.
Heath, R. (1997) ‘The Welsh Bleed’: An Exploratory Case Study of Student Choice at Post-16 in a Welsh LEA’ Unpublished Postgraduate Dissertation, School of Education,University of Wales Cardiff
Heath, R (1998) ‘Economic and Cultural Justifications for Post-16 Choices: A Polarisation of Language and Markets’. Project Allweddiaith- Welsh Language Board Dissemination Conference for Welsh medium Practitioners.
Heath, R. (2000a) ‘Cynhyrchu Cymru’/ Formation of the Nation: The role of ECA in Welsh medium schools’ Culture, Nationality and Identity Conference, 25.3.00. Cardiff University Graduate Centre.
Heath, R. (2000b) ‘Grisiau Addysg: Llwybrau Mynediad ac Ymadawiad’/ ‘The Journey of Schooling: Entry and Exit Routes’ Working Paper and presentation. Welsh Language Board Conference 5 th April
Heath, R. (2000c) ‘Language, Culture and Markets in Further Education: Emerging findings’ Research Day, SOCSI, Cardiff University, 3 rd May
Heath, R. (2000d) ‘Dewis Cyfrwng: Iaith, Diwylliant a Marchnadoedd yn Addysg Bellach’/ Choosing a Medium: Language, Culture and Markets in Further Education’ Allweddiaith/ Welsh Language Board Conference 5-6 July, 2000. Aberystwyth University
Heath, R. (2000e) ‘A Right, A Duty, or an Economic Advantage: Reasons for Choosing Welsh medium post-16 education’ BERA Annual Conference, Cardiff University
Heath, R. (2000f) ‘The Problems, Pitfalls and ‘Gains’ of Bilingual Fieldwork’ BERA Annual Conference, Cardiff University
Heath, R. (2000g) ‘Double the Work: The unanticipated labours of bilingual research’ BERA Annual Conference, Cardiff University
Heath, R (2000h) ‘Language, Culture and Markets in FE Colleges in Wales’ PhD Thesis, Cardiff University AHSS Library.
National Audit Office by Heath, R (2002) – Trunk Road Maintenance in Wales, Crown.
National Audit Office by Williams, Mortlock and Heath (2003) – GEST Education Grant for Wales, Crown.
Jones, M M et al (2008) Bilingual literacies for learning in Further Education, University of Lancaster.
MacGillcrist, D et al (2012) Welsh for Adults teaching and learning approaches, methodologies and resources: a comprehensive research study and critical review of the way forward (2012), Cardiff University for Welsh Government.
Welsh Government (2014a) by Heath-Davies, R. Standards Investigation: Welsh Government’s Response to the Welsh Language Commissioner on the proposed Welsh Language Standards, Crown.
Welsh Government (2014b) by Heath-Davies, R. Conducting a Welsh language impact assessment: Statutory Guidance and Toolkit for Policy Makers, Crown.
WISERD, Cardiff University (2015) Evaluating the Foundation Phase- Final report. (Member of expert advisory group).