I would like to thank the following people and organisations for their assistance:-
The many contributors to the family biographies
The staff of Special Collections, Brotherton Library, University of Leeds who for many years have offered excellent support and advice
The late Pearson Thistlethwaite, also Russell Mortimer, co-custodiens of the Quaker Archives, Leeds University.
The staff of the National Archives, Kew, London
Eileen Burgess and Mary Barley of Pateley Bridge, North Yorkshire
"Robert and Mary Spence, containing Robert Spence's Journal. (1809 to 1836)" by Philip Spence. Privately published in 1939
Joseph Keith, archivist and staff at Friends' House, London. For making available very early Quaker records, working manuscripts, books and periodicals
To those interested in Nidderdale local history try:- Nidderdale Museum, Pateley Bridge
To a very good, but departed friend, Bud Walker of Canada
To my very good friend in Australia, Doug Watkin
Richard B Walker, England