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
Transactions of the Natural History Society of Northumberland, Durham and Newcastle-upon-Tyne, 1951 … 23 June 2025
Transactions of the Natural History Society of Northumberland, Durham, and Newcastle-Upon Tyne, 1966 -1967 … 12 June 2025
Transactions of the Natural History Society and Tyneside Naturalists’ Field Club 1894-1899 … 1 June 2025
Natural History Transactions of Northumberland, Durham and Newcastle upon Tyne, 1877 – 1879 … 17 May 2025
Natural History Transactions of Northumberland, Durham and Newcastle upon Tyne, 1880 – 1889 … 17 May 2025