||John Sell Cotman in the Cholmeley Archive
||Holcomb, Adele M
Ashcroft, M. Y. (Michael Yeomans)
||North Yorkshire County Council
||Northallerton, North Yorkshire
|Holcomb, Adele M, and M. Y. (Michael Yeomans) Ashcroft. John Sell Cotman in the Cholmeley Archive. (Northallerton, North Yorkshire: North Yorkshire County Council, c1980).|
Available at the Family History Library.