Improving the Usability of Programming Publications 
This paper summarizes the work of a study group on ways to improve the usability of publications that support programming products. Task orientation, an approach to providing, organizing, and packaging information, is covered, together with innovations to improve the usability of programming publications: ease-of-use education, measurement of user opinion, and incorporating usability into the publications development process.
Bethke, W.M., P.H. Dean, E. Ort Kaiser and F.H. Pessin. IBM Systems Journal (1981). Articles>Documentation>Writing>Technical Writing