Cartazini Gallery, Paris  http://www.cartazini.com 

Agora Gallery, NYC   http://www.agora-gallery.com

Picassomio online gallery    http://www.picassomio.com/philippa-riddiford/exhibition.html

Saatchi Gallery     http://www.saatchi-gallery.co.uk/yourgallery/artist_profile/Philippa+Riddiford/108036.html

Phil Manning   http://www.philmanning.com.au