Alexander Petrunkevitch A study of Palaeozoic Arachnida

Engels | 83 pagina's | Yale University Press, New Haven, CT | 1949

Gedrukt boek

Alexander Petrunkevitch Choice and responsibility

Engels | 16 pagina's | Yale University Press, New Haven, Conn. | 1947

Gedrukt boek

Alexander Petrunkevitch Pushkin centennial meeting, February 11, 1937

addresses and translations of songs

Engels | 46 pagina's | Yale University Press, New Haven | 1937

Gedrukt boek

Alexander Petrunkevitch An inquiry into the natural classification of spiders, based on a study of their internal anatomy

Engels | 15 pagina's | Yale University Press, New Haven | 1933

Gedrukt boek