Threatened Wasps, Ants & Bees (Hymenoptera: Aculeata) in Watsonian Yorkshire: A Red Data Book
By Michael E. Archer
PLACE Occasional Paper No. 2, 1998
Price: £1.50
Woodland in the Landscape: Past and Future Perspectives
Edited by Margaret Atherden & Robin Butlin
Leeds University Press, 1998
Price: £5
