Edited by Dr Chris Redfern, Volume 85 of Northumbrian Naturalist can be downloaded here. You can also purchase a hard copy from the NHSN office, price £5.
This edition contains the following papers:
Supplement for the 2018 edition of Northumbrian Naturalist.
Leslie-Jessop_George-Wailes-Ento-Hort_NNV84_supplement, to accompany: Leslie Jessop (2018) ‘George Wailes, Entomologist and Horticulturalist’. pp. 63-79