GODWIN DIARY: 8.11.1817 call on / 13.7.1821 call on
The GD website has coded these to be Longdill's partner, though the context is minimal this is probably correct, for his details see below
CRABB ROBINSON DIARY: 25.4.1818 at Aders with Longdill "Butterfield, L's partner"
26.1.1823 Longdill "partnership is dissolved between him and his partner Butterfield"
London Gazette 25.1.1823 partnership dissolved between Pynson Wilmot Longdill & Walter Butterfield from 31.12.1822. Walter Butterfield son of Thomas B. of Boreham, Essex grocer and Citizen & Dyer of London, articled 1804 to George Wade married 30.9.1837 St Andrew Holborn Jane Wathen widow dau of Matthew Wathen. 1848 directory Walter Butterfield 5 Grays Inn Square & 5 Stanhope Terrace, Hyde Park 1851 census Paddingtom Walter B attorney age 62 born Boreham Essex wife Jane age 59 born Sheffield. Walter Butterfield died 22.6.1860