German Commerce Raiders 1914-18, Ryan K. Noppen.

Looks at the surface vessels that operated against Allied shipping during the First World War, a mix of warships, converted liners and converted freighters, including one fully masted sailing ship. Although nowhere near as successful as the later U-boat campaign, these surface ships did embarrass the Royal Navy, especially early in the war, and forced the diversion of sizeable RN and Allied naval forces, so they are well worth studying
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