'The structure of the 5, 6-dimethyl-benzimidazolyl-cobamide coenzyme: an x-ray crystallographic study' (with P.G. Lenhert), Bibliog. 77, 1961; 8pp. typescript, with manuscript additions and corrections by Hodgkin.

'The X-ray Crystallographic Investigation of the 5, 6-Dimethyl-benzimidazole-cobamide coenzyme' (with P.G. Lenhert), Bibliog. 80, 1961; 8pp. typescript, with manuscript additions and corrections by Lenhert.