The Radical Elements of Radical SuccessDan Ward · First published 2005 · Latest edition 2006Open the Tome
How to solve materials and design problems in solar heating and coolingDan S. Ward · First published 1982Open the Tome
Handbook of experience in the design and installation of solar heating and cooling systemsDan S. Ward · First published 1980Open the Tome
Residential solar heating and cooling using evacuated tube solar collectors, CSU Solar House III, final report, technical for Period 1 February 1976-30 September 1978Dan S. Ward · First published 1979Open the Tome
