Shackleton, E H . The Heart of the Antartic / Textual Documents E H Shackleton. - 1st ed / - London : William Heinemann Ltd. , 1909. - xlviii,373 p : ill ; 24 cm . ISBN: HB Subjects--Index Terms: T/G-Human Social Geography Dewey Class. No.: 910.9 / Sh 11 H