Cool Companies—How the Best Businesses Boost Profits and Productivity by Cutting Greenhouse Gas Emissions. by J.J. Romm. Island Press. Washington, D.C. (1999)

Energy Performance of Daylit Schools in North Carolina. (1996)

High Performance Buildings Deliver Productivity Improvements. Seattle City Lights. 

How Indoor Environmental Quality Affects Health, Productivity. by William Fisk (2002)

Increasing Productivity Through Energy-Efficient Design by J.J.Romm  

Indoor Environmental Quality and the Impact on Employee Sick Leave. by Satish Kumar and William Fisk. (2002) 

Indoor Health and Productivity. National Science and Technology.   
A searchable database containing bibliographic references to 978 studies (from books, reports, journals, and conference proceedings) of indoor health and productivity, including residential and commercial buildings.

National Lighting Bureau Guide to Office Lighting and Productivity.

Promoting Workplace Productivity and Health: A Final Report. by Satish Kumar and William Fisk (2002)

US Green Building Council Research.