Ixodes ricinus immatures on birds in a focus of Lyme borreliosis.

Humair, P. F., Turrian, N., Aeschlimann, A., Gern, L., (1993). Folia Parasitologica 40(3), 237-242. English language

Estudio de cinco especies de ácaros plumícolas del género Proctophyllodes Robin, 1877 (Acarina, Proctophyllodidae) parásitas de aves paseriformes españolas. / Study of five species of feather mites of the genus Proctophyllodes Robin, 1877 (Acarina, Proctophyllodidae) parasitic on Spanish passeriform birds.

Rojas, M. de, Úbeda, J. M., Guevara, D. C., Ariza, C., (1993). Boletín de la Real Sociedad Española de Historia Natural, Sección Biológica 90(1/4), 55-60. Spanish language

Nicienie pasożytnicze rudzika - Erithacus rubecula L. (Turdidae) okolic Wrocławia. / Nematoda of Erithacus rubecula (Turdidae) in the Wrocław area.

Okulewicz, A., (1984). Wiadomości Parazytologiczne 30(5-6), 585-594. Polish language

Data on the helminth fauna of animals in the protected zone of the Pechora-Ilych State nature reserve. (Second communication).

Shaldybin, L. S., Anikin, V. I., Budkin, R. D., Suslova, M. M., Fauna, sistematika, biologiya i ekologiya gel'mintov i ikh promezhutochnykh khozyaev. 1978., 3-13. Gor'kovskii Gosudarstvennyi Pedagogicheskii Institut., Gor'kii, USSR. Russian language