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- California: A Trip Across the Plains, in the Spring of 1850
- California: Four Months among the Gold-Finders being the Diary of an Expedition from San Francisco t...
- California: Mapping the Golden State through History
- CaliforniaBull
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- Call Me B: A Hopeful View of History and the Revolution
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- Camp Chase, Columbus, Ohio, 1861-1865: A Study of the Union's Treatment of Confederate Prisoners
- Camp Fitch 75th Anniversary
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- Campaign of the First Troop Philadelphia City Cavalry April 25-November 11, 1898
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- Campaigns in Mississippi and Tennessee: February - December 1864 - The U.S. Army Campaigns of the Ci...
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- Campaigns Of The Civil War Vol. 1 - The Outbreak Of Rebellion
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- Campaigns Of The Civil War Vol. 3 - The Peninsula
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