- CollectionDX19 - Cotton Family Papers
- SeriesB - Farm : 22 to 65
- Sub-seriesMiscellaneous farm records and accounts :40 to 65
- Item40 - William Woollett purchase
- Item41 to 46 - Miscellaneous farm records and accounts
- Item47 to 65 - Business correspondence and accounts
- Item48 - Invoices and letters, Kelvedon