Keywords: William Roos - Bywyd Llonydd gyda Phetris (1841).jpg en Still Life with Partridges by Welsh artist William Roos 1841 Oil on canvas National Museum of Wales collections cy Bywyd Llonydd gyda Phetris gan yr artist Cymreig William Roos 1841 Olew ar gynfas Casgliadau Amgueddfa Cymru http //www amgueddfacymru ac uk/cy/celf/arlein/ action show_item item 1619 National Museum Wales William Roos 1841 1840s still-life paintings Still life paintings of birds Paintings in National Museum Cardiff Roos William William Roos PD-Art |