Iter of Wark in Hartshorne, Charles Henry (ed.), Memoirs illustrative of the history and antiquities of Northumberland (London: Bell and Daldy, 1858), vol. 2, Feudal and military antiquities of Northumberland and the Scottish borders
Ipm
Calendar of inquisitions post mortem
IpmR
Calendarium inquisitionum post mortem sive escaetarum, 4 vols (London, 1806
InqEl
Inquisitio Eliensis, see ICC
InqEncl
Inquest of Enclosures, 1517, London, British Library Lansdowne MS. 1
ICC
Hamilton, N.E.S.A. (ed.), Inquisitio comitatus cantabrigiensis: nunc primum e manuscripto unico in Bibliotheca Cottoniana asservato typis mandata: subjicitur inquisitio eliensis (London: Io. Murray, 1876)