commons.wikimedia.org/wiki/File:Cradock,_Marmaduke...
File:Cradock, Marmaduke - Mallards on a Pond - Google Art Project.jpg - Wik...
www.wikidata.org/wiki/Q239...
painting by Marmaduke Cradock
commons.wikimedia.org/wiki/File:Cradock,_Marmaduke...
File:Cradock, Marmaduke - Mallards on a Pond - Google Art Project.jpg - Wik...