Title: Ptitsy srednei Kirgizskoi stepi. (Turgaiskaia oblastʹ i vostochnaia chastʹ Uralʹskoi)
Authors: Sushkin, Petr Petrovich, 1868-1928.
Publisher: Tipo-litografiia V. Rikhtrʹ, Tverskaia, Mamonovskii per., s.d.
Year: 1908
Subjects: Birds Asia, Central.