https://www.cassart.co.uk/articles/barbarawalker.htm?sc_src=email_1993662&sc_lid=121942054&sc_uid=PvY7UH4Eqv&sc_llid=1408&sc_eh=9336b85b847143121
Cass Art interview Barbara Walker

https://www.cassart.co.uk/articles/barbarawalker.htm?sc_src=email_1993662&sc_lid=121942054&sc_uid=PvY7UH4Eqv&sc_llid=1408&sc_eh=9336b85b847143121