article published in 1982

scholarly article by Paul Courtney published in January 1992

scientific article published in January 2004

article published in 1997

section of Excavations at Caergwrle Castle published in 1994

section of Excavations at Caergwrle Castle published in 1994

section of Capel Maelog, Llandrindod Wells published in 1990

section of Excavations at Caergwrle Castle published in 1994

scholarly article by Kevin Blockley published in January 2003

article published in 1989

article by Nigel W. Jones et al published January 1998 in The Archaeological Journal

article published in 2001

scientific article published in June 2007

section published in 1990

book by Paul Courtney

book; published in 1994

section of Capel Maelog, Llandrindod Wells published in 1990

section published in 1990

section of Capel Maelog, Llandrindod Wells published in 1990

section of Excavations at Caergwrle Castle published in 1994

section of Excavations at Caergwrle Castle published in 1994

section of ?Cledemutha: A Late Saxon Burh in North Wales published in 1987

chapter published in 2009

section of ?Cledemutha: A Late Saxon Burh in North Wales published in 1987

scientific article published in December 2006

scientific article published in June 2011

scientific article published in June 1999

section of Excavations at Caergwrle Castle published in 1994

article published in 1987

article published in 1988

article published in 1981

chapter published in 2008

article by Paul D. Courtney published January 1986 in Journal of Medieval History

chapter published in 2006

chapter published in 2001

section of Pool Road, Montgomery published in 1989

chapter published in 1993

doctoral thesis by Paul Courtney

article published in 1991

article published in 1985

chapter published in 2005