Natural History Transactions of Northumberland, Durham and Newcastle upon Tyne, 1880 – 1889 … 17 May 2025
Natural History Transactions of Northumberland, Durham and Newcastle upon Tyne, 1890 – 1894 … 7 May 2025
Natural History Transactions of Northumberland, Durham and Newcastle upon Tyne, 1887- 1888 … 7 May 2025
Transactions of the Natural History Society of Northumberland, Durham and Newcastle-Upon-Tyne, 1923-1926 … 19 April 2025