2006

• International Herald Tribune (Thai Day, Bangkok), 'Block Party', Steven Pettifor, 13 Mar.
• Asian Art News (Hong Kong), 'Crossflows at Numthong Gallery', Vol.16, No.3, Steven Pettifor, May/Jun.
• Bangkok Post (Bangkok), 'The Gaijin and the Woodblock Print', Camilla Russell, 16 Mar.

2005

• Imprint (Melbourne), 'Profile: Ralph Kiggell', winter issue

2004

• Krungthep Thurakit (Bangkok), Rian paap pim mai yeepun kap khru falang', 27 Jun.
• Ploy gam Petch (Bangkok), Vol.13, No.297, Pim mai jigsaw', 15 Jun.
• Baan Oom, Baan Oom TV (Bangkok), 26 Jun.

2003

• Ta Kung Pao (Hong Kong), 'Ralph Kiggell xinzuo luse wenyang', Hung Chit, 30 Jul.
• Ming Pao Weekly (Hong Kong), 'Fuyin de ziran', Sam Sam, 26 Jul.
• Metro (Bangkok), 'Framed Nature', Josef Ng, Oct. issue

2002

• Bangkok Post (Thailand), 'Colour Your World', Cheng Zu, 9 Feb.

1999

• Link Club News (Tokyo), 'Profile: Ralph Kiggell', Vol.58, May

1998

• Hong Kong Tatler (Hong Kong), 'Block diagrams', Aug.issue
• RTHK (Radio Television Hong Kong) Artbeat, Jonathan Douglas, Aug.
• Daily Yomiuri (Tokyo), Oct.

1994

• Asian Art News (Hong Kong), 'The Second Sapporo International Print Biennale', Vol.4, No.2, Jim Supangkat, Mar./Apr. issue 

1993

• Kyoto Journal (Kyoto), summer issue
• We're (Tokyo), Jan. & Feb. issues
• Views (Tokyo), Apr. issue