Revision (PDF)(Word) -- Heather Godine, Maureen Grady, and Svetlana Konnova 11 November 2008
Revision (PDF)(Word) -- Heather Godine 22 October 2008
Revision (PDF)(Word) -- Jim Wilson 13 June 2006
Discussion -- Additional Foci -- Jim Wilson 02 Nov 2005
Original -- Ladder -- Rose Mary Zbiek 18 June 2005