1. Haptoglobin in monkeys;Arends;Nature, Lond.,1960
2. Haptoglobin types in Macaca iris;Beckman;Acta genet. Stat. med. (Basel),1960
3. Serum protein variations in monkeys;Beckman;Acta genet. Stat. med. (Basel),1961
4. Biochemical polymorphisms in animals: haptoglobins and transferrins;Blumberg,1960