Wurtz, R., and A. Clerc. Nouv. observ. de Filaria loa, Arch. Méd. exp. et d’Anat. path., 1905, xvii, p. 261.
Acanthocheilonema perstans (pp. 414 to 416).
Christy, C. The Distribution of Sleeping Sickness; Filaria perstans . . . in East Equatorial Africa, Rep. Sleeping Sickness Comm., London, 1903, ii, p. 1.
Daniels, C. W. The Filaria sanguinis hominis perstans found in the Aboriginals of British Guiana, Brit. Guiana Med. Ann., 1897, p. 28.
— Discovery of the Parental Form of a British Guiana Bloodworm, Brit. Med. Journ., 1898, i, p. 1011.
Daniels, C. W. The Filaria ozzardi and their Adult Form, Brit. Guiana Med. Ann., 1898, x, p. 1.
— Filariæ and Filarial Disease in British Guiana, Brit. Med. Journ., 1898, ii, p. 878.
— The Probable Parental Form of a Sharp-tailed Filaria found in the Blood of the Aboriginals of British Guiana, ibid., 1899, i, p. 1459.
— The Sharp-tailed Filaria in British Guiana, Journ. of Trop. Med., 1899–1900, ii, p. 11.