An atlas of the Carabidae (ground beetles) of Northumberland and*County Durham

SIGLEAvailable from British Library Document Supply Centre-DSC:8378.81(NBRC-SP--2) / BLDSC - British Library Document Supply CentreGBUnited Kingdo

An atlas of the seaweeds of Northumberland and Durham

SIGLEAvailable from British Library Document Supply Centre- DSC:8378.81(NBRC-SP--3) / BLDSC - British Library Document Supply CentreGBUnited Kingdo