These are all free downloads from
http://www.gutenberg.org which only has free books.
I was looking for an English translation of Sydpolen (FOUND IT!) about the Norwegian Antarctic expedition. Also came across some gems:
http://www.gutenberg.org/ebooks/11579
Scott's Last Expedition Volume I by Robert Falcon Scott (Volume II was his recordings of the science data day by day. Wasn't a popular book.)
http://www.gutenberg.org/ebooks/6721
The Voyages of Captain Scott : Retold from the Voyage of the Discovery
http://www.gutenberg.org/ebooks/14363
The Worst Journey in the World by Apsley Cherry-Garrard
http://www.gutenberg.org/ebooks/5199
South! The Story of Shackleton's Last Expedition, 1914-1917
http://www.gutenberg.org/ebooks/36802
The Romance of Polar Exploration
they also have some back issues of PUNCH magazine from the early 1900's.

I believe I am old enough to get most of the old jokes.