‘Aphid migration, or how one thing leads to another’, Leeds, 15 January. With a little…

Description: 'Aphid migration, or how one thing leads to another', Leeds, 15 January. With a little correspondence. 'Insect migration', Cambridge Natural History Society, 25 October. Ashurst [Silwood Park], n.d.

Date: 01/01/1973 - 31/12/1973

Last import: September 11, 2017