Correspondence of Ken Johnson, A-D Professional correspondence filed by name of subject. Dr P M Anderson A G Atkins J R Barber R H Bentall A Bhaskar A F Bower B J Briscoe C R Brockley C R Burrows A Cameron R Cameron C Caroli, T Baumberger R M Carson T C Childs M Ciavarella S Clyens I F Collins T F Conry P Dawson D Dowson, C M Taylor J Duffy 1960s-2000s