Performance support draws its model, methodologies and its theories from numerous disciplines; cognitives psychology, instructional systems Design, system Developement, Documentation Human‐Computer interface Cybernetics and Database Development. This collection of reference and reading highlights relevent items I've discovered. The collection is by no means as exhaustive Biblography. Related seminal works may be missing If PIQ readers have come upon additional works, please recommend them to the author. In this list, items of special relevance are marked with asteric