Alcune opere Beitrag zur Systematik der Geotrypini (1892) Essay on the Tunicata of the White Sea (1892) Chrysomelidae palaearcticae novae (1899) Über den äusseren Bau flügelloser Käfer (1899) Symbola ad cognitionem faunae Rossiae asiaticae (1901) Zoological Research in the New World (1898) Termites of Russia (1904) Beetles of Russia, Western Europe and neighbouring countries (1905) Orthoptera and Pseudoneuroptera of the Russian Empire (1905) coautore con Valentin Bianchi
Altri progetti
Collegamenti esterni