ISBN-13: 9781560007371 / Angielski / Miękka / 1994 / 418 str.
ISBN-13: 9781560007371 / Angielski / Miękka / 1994 / 418 str.
Reprint of the Oxford University Press edition of 1930, with a long new introduction by Clark Kerr. Annotation copyright Book News, Inc. Portland, Or.