Bart P., James William., Kerner-von-Marilaun A. Convolute from 3 books. Philosophy of history as sociology. The scientific foundations of psychology. Plants and man. In Russian /Bart P., Dzhems Villyam., Kerner-fon-Marilaun A. Konvolyut iz 3-kh knig. Filosofiya istorii kak sotsiologiya. Nauchnye osnovy psikhologii. Rasteniya i chelovek. St. Petersburg Electroprinting. 1902. 348 and 374 and 108s. Please contact us for details on condition of available copies of the book. SKUalbcbd1f35dc5f1ea3f.