Transactions of the Natural History Society of Northumberland, Durham, and Newcastle-Upon Tyne, 1980 – 1986 … 8 August 2025
Transactions of the Natural History Society of Northumberland, Durham, and Newcastle-Upon Tyne, 1985 – 1991 … 22 July 2025
Transactions of the Natural History Society of Northumberland, Durham, and Newcastle-Upon Tyne, 1972 … 20 June 2025
Transactions of the Natural History Society of Northumberland, Durham, and Newcastle-Upon Tyne, 1972- 1981 … 7 May 2025