Collins, Richard, London (1774). Supplied Sir Watkin Williams Wynn at 20 St James's Sq., London, in 1774 with ‘two Bookcases Extraordinary to a design of Messrs. Robt and James Adam £15.18.7¼’. They were of ‘rich mahogany’ with ‘12 ovall Patterae let into the Legs’ and ‘130 Small (Patterae) let into the Pannells of the Doors’. [Nat. Lib. of Wales, Wynnstay MS 115/17/10; designs at the Soane Museum]