Prishutova, Z.G. (2001): [Specific features of postembryonic growth in the millipede Rossiulus kessleri (Julidae)]. Zoologiceskij zurnal, 80: 937-945.
Prishutova, Z.G., Minoranskii, V.A. (1986): [Studies of food selectivity in the millipede Rossiulus kessleri]. Zoologiceskij zurnal, 65: 221-226.
Prisnyi, A.V. (2001): A review of the millipede fauna of the south of the Middle-Russian Upland, Russia (Diplopoda). Arthropoda Selecta, 10: 297-305.
Proctor, H.C. (1998):Indirect sperm transfer in arthropods: Behavioral and evolutionary trends. Annual Review of Entomology, 43: 153-174.
Proschwitz, T. von, Andersson, G. (1997): Databas för landlevnde mollusker, tusendfotingar och grasuggor pa Göteborgs naturhistoriska museum. Göteborgs Naturhistoriska Museum Arstryck: 29-36.
Prószyński, J. (2009):Monograph of Salticidae (Araneae) of the World 1995-2009. Museum and Institute of Zoology, Polish Academy of Sciences, Warsaw, Poland.