Summarizes the events and issues of the fifth PPNN Core group meeting.

Outlines planned program for the May 1989 conference with speakers and presenters listed.

Breaks down meeting fora by topic including suggested presentations for the planned meeting.

Summarizes key questions for how interventionist and active the role of the PPNN will be at the upcoming fourth review conference in 1990.

Summarizes the events and issues of the third PPNN meeting in Guernsey, UK.

Summarizes the events of the second PPNN meeting in Charlottesville, Virginia, and lists participants and agenda

Outlines timing and schedule of future conferences as well as topics of discussion by conferences

Outline and minutes from the first meeting of the PPNN Core Group, including list of participants, agenda, purpose, activities and structure.

Written version of an oral address given upon the first meeting of the PPNN Core Group.

Elaborates on further plans engaged after the year 2000 by the PPNN and the present situation of the Program.