Peter Simon Pallas was a German zoologist, who was also famous in Russia.
Peter Simon Pallas
Sicista betulina
Cyanopica cyanus
Reise durch verschiedene Provinzen des Rußischen Reichs (1771)
Icones insectorvm praesertim Rossiae Sibiriaeqve pecvliarivm qvae collegit et descriptionibvs illustravit Petrvs Simon Pallas T. 1-3 (1781)
Flora rossica : seu Stirpium imperii rossici per Europam et Asiam indigenarum descriptiones et icones
Flora Rossica seu Stirpium Imperii Rossici per Europam et Asiam (1790)