Expressing help at appropriate levels. - Oscar D. Andrade; David G. Novick (SIGDOC, 2008)

Help-based tutorials. - David G. Novick; Oscar D. Andrade; Nathaniel Bean; Edith Elizalde (SIGDOC, 2008)

The macro-structure of use of help. - Oscar D. Andrade; Nathaniel Bean; David G. Novick (SIGDOC, 2009)

The micro-structure of use of help. - David G. Novick; Oscar D. Andrade; Nathaniel Bean (SIGDOC, 2009)