Ribarov, G.K. (1987): Five new species Lithobiomorpha (Chilopoda) from southeastern Bulgaria. Acta Zoologica Bulgarica, 34: 45-52.
Ribarov, G.K. (1987):Henia angelovi sp. n. (Chilopoda, Geophilidae) – eine neue Henia-Art aus Südostbulgarien. Acta Zoologica Bulgarica, 35: 86-89.
Ribarov, G.K. (1989): A contribution to the study of centipedes (Chilopoda) from Sredna Gora Mountains. Nauchni Trudove Plovdivski Universitet "Paisii Khilendarski", 27: 165-184.
Ribarov, G.K. (1989): On some Chilopoda species (Myriapoda) published by S. Jurinich and K. Verhoeff. Historia Naturalis Bulgarica, 1: 34-35.
Ribarov, G.K. (1990): Chilopoda new to the science or to the Bulgarian fauna. In: Minelli, A. (ed.), Proceedings of the 7th International Congress of Myriapodology. E.J. Brill, Leiden: 429. (ve sborníku)
Ribaut, H. (1914): Myriapodes. I. Chilopoda. In: Voyage de Ch. Alluaud et R. Jeannel en Afrique Orientale: 1911-1912. Résultats scientifiques: 1-35.
