Szymura J, Barton NH. 1991. The genetic structure of the hybrid zone between the fire-bellied toads Bombina bombina and B. variegata: comparisons between transects and between loci. Evolution. 45(2), 237–261.

Barton NH, Rouhani S. 1991. The probability of fixation of a new karyotype in a continuous population. Evolution. 45(3), 499–517.

Mallet J, Barton NH. 1989. Strong natural selection in a warning color hybrid zone. Evolution. 43(2), 421–431.

Slatkin M, Barton NH. 1989. A comparison of three methods for estimating average levels of gene flow. Evolution; International Journal of Organic Evolution. 43(7), 1349–1368.

Szymura J, Barton NH. 1986. Genetic analysis of a hybrid zone between the fire-bellied toads Bombina bombina and B. variegata, near Cracow in Southern Poland. Evolution; International Journal of Organic Evolution. 40, 1141–1159.

Barton NH. 1983. Multilocus clines. Evolution; International Journal of Organic Evolution. 37(3), 454–471.

Barton NH. 1982. The structure of the hybrid zone in Uroderma bilobatum (Chiroptera: Phyllostomatidae). Evolution. 36(4), 863–866.

Barton NH, Hewitt G. 1981. A chromosomal cline in the grasshopper Podisma pedestris. Evolution; International Journal of Organic Evolution. 35(5), 1008–1018.