Ireland Revenue Stamps - Literature?

I'm developing an interest in Irish revenue stamps. Are there recommendations for specific literature in the field? I obtained the 1995 Booth & Hall catalog "The Adhesive Revenue Stamps of All Ireland" and I understand that there is a separate volume that handles the impressed duty stamps.

But I'm not sure if there is a more recent, more comprehensive, or more accurate catalog, or if the Booth & Hall catalog values correspond to reality.

I'll check to see what the Eire Philatelic Association has, of course, but curious if anyone else has experience in the area and can provide direct recommendations.

You'll be heading in the right direction. http://www.eirephilatelicassoc.org/...nd-1858-1925