Harry Graham (1874-1936)
Castle Ward, County Down
Edmund George Valpy Knox (1881-1971)
Scotney Castle, Kent
Coleton Fishacre, Devon
Humphrey Arthur Pakington, 5th Baron Hampton (1888-1974)
Ightham Mote, Kent
Anglesey Abbey, Cambridgeshire
George Malcolm Young (1882-1959)
Rufford Old Hall, Lancashire
Sissinghurst Castle Garden, Kent
Sir Francis Cowley Bunard (1836-1917)
Oxburgh Hall, Norfolk