ISBN-13: 9781138566316 / Angielski / Miękka / 2019 / 260 str.
ISBN-13: 9781138566316 / Angielski / Miękka / 2019 / 260 str.
Although each of the essays in this volume is a study complete in itself, they are connected by one and the same synthetic spirit, and are animated by one and the same object: that of demonstrating the utility in the biological, psychological, and sociological fields of the theorist.