History of AlaskaHubert Howe Bancroft, Alfred Bates, Ivan Petroff · First published 2015Open the Tome
Droits successoraux du conjoint survivant en Bulgarie ...Ivan Stephan H. Petroff · First published 1938Open the Tome
Report on the population, industries, and resources of AlaskaIvan Petroff · First published 1884Open the Tome
