The threshold of the unknown region
By: by Clements R. Markham.
Edition: 3rd and cheaper ed.
Series: CIHM/ICMH Microfiche series = CIHM/ICMH collection de microfiches -- no. 29874; CIHM/ICMH microfiche series -- no. 29874
Publisher: S. Low, Marston, Low & Searle
Published: 1875
Place of publication: London
Format: Microform
Number of pages: 226
Subjects: Arctic regions; Régions arctiques