Book reviewed in this article:
Mongolism in Newborns. A Clinical and Cytogenetic Study. By Bertil Hall. Stockholm, Sweden: Almquist and Wiksell. 1964.
The Pathology of Development. A Study of Inherited Skeletal Disorders in Animals. By Hans Grüneberg. Oxford: Blackwell Scientific Publications. 70s.
Down's Syndrome. A Clinical and Cytogenetical Investigation. By Karl-Henrik Gustavson. Almqvist and Wiksell, Uppsala. 1964.
Abnormalities of the Sex Chromosome Complement in Man. By W. M. Court Brown, D. G. Harnden, Patricia A. Jacobs, N. MacLean and D. J. Mantle. Med. Res. Co. Sp. Rep. Ser., No. 305. London: H.M.S.O. 1964.