Artigo “Inbreeding effect on morbidity”, publicado em 1984 no periódico American Journal of Medical Genetics. Subdividido em três partes: “I. Three analyses (one with cousin and sib controls)”, de Paulo Maurício Ruas e Newton Freire-Maia; “II. Analyses of a third survey including and excluding infant-juvenile mortality among brazilian whites and negroes” e “III. A review of the world literature”, ambos de Tadeu Elisbão e Newton Freire-Maia.
Artigo "Hand clasping in different ethnic groups", de Newton Freire-Maia, Ademar Freire-Maia e Antônio Quelce-Salgado, publicado em 1958 no periódico Human Biology.
Artigo “Genetics of Acheiropodia (the handless and footless families of Brazil). Vl. formal genetic analysis”, de Ademar Freire-Maia, Newton Freire-Maia, Newton Ennis Morton, Eliane Souza Azevedo e Antônio Quelce-Salgado, publicado em 1975 no periódico The American Journal of Human Genetics.
Artigo “Genetics of Acheiropodia (‘the handless and footless families of Brazil’)”, de Ademar Freire-Maia, Newton Freire-Maia e William Jackson Schull, publicado em 1975 no periódico Human Heredity.
Artigo “Genetic analysis in russian immigrants: ptc sensitivity, finger prints, color vision, hand clasping, and arm folding”, de Newton Freire-Maia, Ademar Freire-Maia e Antônio Quelce-Salgado, publicado em 1960 no periódico American Journal of Physical Anthropology.
