Transactions of the Natural History Society of Northumberland, Durham, and Newcastle-Upon Tyne, 2008 -2009 … 18 August 2025
Transactions of the Natural History Society of Northumberland, Durham and Newcastle-upon-Tyne, 1956 – 1957 … 17 August 2025
Transactions of the Natural History Society of Northumberland, Durham and Newcastle-upon-Tyne, 1953 – 1955 … 17 August 2025
Transactions of the Natural History Society of Northumberland, Durham, and Newcastle-Upon Tyne, 1996 -1997 … 16 August 2025
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, 1950-1953 … 7 July 2025