Fr. Bob Hogan’s comprehensive Prayer Group Resources material is available to read online or download in PDF format:
1) To read online:
Click here (may take a while to load)
2) To download (on PC):
Right click here and choose “Save as…”
In addition, some material is available for free download in pamphlet form from this link at the National Service Committee website. Other material is available there too, by exploring the rest of their site.