| <1> | Scheduling record: HBMC. AM 7. - |
| <2> | Scheduling record: HBMC. 1979. AM 12. - |
| <3> | Scheduling record: HBMC. 1987. AM 107. SAM 95 |
| <4> | Index: OS CARD INDEX. BOURNE. TF 01 NE:1,1964, DA |
| <5> | Bibliographic reference: Hayes, P. P. and Lane, T. W.. 1992. Lincolnshire Survey: The South-West Fens. U10 |
| <6> | Article in serial: TROLLOPE, E.. 1862. Associated Architectural and Archaeological Societies’ Reports and Papers. VOL6 |
| <7> | Article in serial: VENABLES, E.. 1890. Associated Architectural and Archaeological Societies’ Reports and Papers. VOL20 PP3-7 |
| <8> | Bibliographic reference: ARMITAGE, E.S.. 1912. EARLY NORMAN CASTLES. PP107-8, 398 |
| <9> | Index: SMR FILE. BOURNE. TF 01 NE:F - |
| <10> | Index: SMR FILE. BOURNE. TF 01 NE:J - |
| <11> | Index: 1974. EAST MIDLANDS ARCHAEOLOGICAL BULLETIN. - |
| <12> | Aerial Photograph: 1945-84. CAMBRIDGE UNIVERSITY COLLECTION. XQ72; AKO24 |
| <13> | Intervention Report: Archaeological Project Services. 2002. Bourne Castle, Bourne. BCD 01 |
| <14> | Excavation archive: Archaeological Project Services. 2002. Bourne Castle, Bourne. LCNCC:2001.267 |
| <15> | Intervention Report: Grid Nine Geophysics. 2006. Bourne Castle, Bourne: Geophysical Survey. - |