:''Main article: [[List of Surviving Lonsdale Records]]''
The [[Listlist of Surviving Lonsdale Records]] relating to the Lowther family and the [[wikipedia:Earl of Lonsdale|Earls of Lonsdale]] are stored at the Cumbria Record Office (Carlisle Headquarters). The Lowther Family Estate have thousands of records listed in various categories and sub-categories ranging from DLons/L5 to DLons/L25. The records relating to the [[11th Border Regiment|11th Border Regiment (Lonsdale)]] range from [http://www.archiveweb.cumbria.gov.uk/CalmView/Record.aspx?src=CalmView.Catalog&id=DLONS%2fL%2f13%2f13&pos=34 DLons/L13/13/1 to DLons/L13/13/282]
The following records are not stored here. For access, please contact the [http://www.cumbria.gov.uk/archives/archivecentres/cac.asp Cumbria Archive Centre from the details below.(Carlisle)]