Crittenden, P. and H. Lewis (2011), The business case and beyond, a section of the Energy Efficiency Exchange, Department of Resources, Energy and Tourism
Verghese, K., H. Lewis and L. Fitzpatrick (2012), Packaging for sustainability, Springer, UK
Greene, D. and H. Lewis (1995), Overcoming barriers to use of recycled plastics, Report by Deni Green Consulting and Centre for Design at RMIT to Environment Protection Agency
Gertsakis, J., H. Lewis and C. Ryan (1997), A guide to EcoReDesign, Centre for Design at RMIT
Grant, T. and H. Lewis (1997), Strategies for reducing plastics waste, Report by Centre for Design at RMIT to Plastics and Chemicals Industries Association
Schiers, J., H. Lewis, T. Grant, K. James and P. Allan (2003), The impacts of degradable plastic bags in Australia, Report by Centre for Design at RMIT to Department of the Environment and Heritage
Lewis, H., R. Dale and B. Wilson (2003), The future workplace, Report by Centre for Design at RMIT to Schiavello Commercial Interiors
Dummett, K., R. Horne and H. Lewis (2005), Sustainable production and consumption in the City of Melbourne to the year 2020, Report by Centre for Design at RMIT to City of Melbourne
James, K., H. Lewis, R. Jordan, L. Fitzpatrick, and K. Sonneveld (2005), Industrial packaging supply chains: creating links and achieving change, Report by Sustainable Packaging Alliance for EcoRecycle Victoria
Lewis, H. and P. Crittenden (2006), Energy efficiency opportunities assessment handbook, Prepared for Department of Industry, Tourism and Resources