A number of reports and papers have been written on WebGrid, Rep Plus, and the operation and use of its various components such as RepGrid, Focus, PrinGrid and Socio over the years. There are also manuals for Rep Plus and Rep 5. Links are provided below.

Rep Plus Manuals

WebGrid Tutorials

Rep 5 Manuals

Rep Plus & WebGrid Implementation Techniques

WebGrid Applications

Kelly Conceptual Grid Techniques