1. A notation for the Lewis and Lutheran blood group systems;Andresen;Nature,1949
2. A ‘new’ blood character related to the ABO system;Bhende;Lancet,1952
3. Apparent exceptions of Landsteiner's Law of ABO groups;Dunsford;Vox Sanguinis,1953
4. An A4 cDue/cde blood in an English family;Dunsford;Ann. Eugenics,1952