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- Cărți electroniceFamous Frontiersmen and Heroes of the BorderCharles Haven Ladd Johnston
- Cărți electroniceFamous Privateersmen and Adventurers of the Sea Their rovings, cruises, escapades, and fierce battling upon the ocean for patriotism and for treasureCharles Haven Ladd Johnston
- Cărți electroniceFamous Frontiersmen and Heroes of the BorderCharles Haven Ladd Johnston
- Cărți electroniceThe Heroes of the Last FrontierCharles Haven Ladd Johnston