[en] Gold · the Marvellous History of General John Augustus Sutter Peter Owen Publishers
[en] [Gutenberg 31024] • Mine Pumping in Agricola's Time and Later Public Domain Books
[en] [Gutenberg 3546] • The Eureka Stockade Melbourne University
[en] [Gutenberg 5623] • The Young Explorer; Or, Claiming His Fortune B&R Samizdat Express
[en] [Gutenberg 55149] • Michigan's Copper Country in Early Photos Black Letter Press
[en] Steampunk Holmes · Legacy of the Nautilus Noble Beast, LLC
[en] Fire and Brimstone · the North Butte Mining Disaster of 1917 Hachette Books
[en] The Battle of Blair Mountain · The Story of America's Largest Labor Uprising Basic Books (AZ)
[en] Uranium - Rock That Shaped the World Penguin Books
[en] Cryptocurrencies and the Blockchain Revolution, Bitcoin and Beyond Lerner Publishing Group
[en] World, Uranium - Rock That Shaped the Penguin Books
[en] [Gutenberg 16303] • Guy Rivers: A Tale of Georgia University of Arkansas Press
[en] [Gutenberg 45870] • Gold, Gold, in Cariboo! A Story of Adventure in British Columbia Forgotten Books
[en] [Gutenberg 2310] • In the Carquinez Woods Rolland Press
[en] [Gutenberg 50653] • Travels in the interior of Brazil / with notices on its climate, agriculture, commerce, population, mines, manners, and customs: and a particular account of the gold and diamond districts. Printed for Longman, Hurst, Rees, Orme, and Brown