stained glass panels
... that six Pre-Raphaelite artists designed the set of stained glass panels illustrating scenes from the story of Sir Tristram and la Belle Isoude as told in Sir Thomas Malory's Morte d'Arthur?
... that six <a href="./Pre-Raphaelite_Brotherhood" id="mwFEI" rel="mw:WikiLink" title="Pre-Raphaelite Brotherhood">Pre-Raphaelite</a> artists designed the set of <b id="mwFEM"><a href="./Tristram_and_Isoude_stained_glass_panels" id="mwFEQ" rel="mw:WikiLink" title="Tristram and Isoude stained glass panels">stained glass panels</a></b> <i id="mwFEU">(pictured)</i> illustrating scenes from the story of <a href="./Tristan_and_Iseult" id="mwFEY" rel="mw:WikiLink" title="Tristan and Iseult">Sir Tristram and la Belle Isoude</a> as told in Sir <a href="./Thomas_Malory" id="mwFEc" rel="mw:WikiLink" title="Thomas Malory">Thomas Malory</a>'s <i id="mwFEg"><a href="./Le_Morte_d'Arthur" id="mwFEk" rel="mw:WikiLink" title="Le Morte d'Arthur">Morte d'Arthur</a></i>?