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1. Stargazers in the wilderness.

2. Astronomers : moulders of American history.

3. Hectic Mason-Dixon Line 190 years old.

4. Comments concerning the Mason and Dixon Line.

5. The Mason and Dixon Line.

6. The Maryland Pennsylvania border controversy, the Mason and Dixon line bibliography.

["Monograph. "]

7. The History of Mason and Dixon's line : contained in an address, delivered by John H. B. Latrobe, of Maryland, before the Historical Society of Pennsylvania, November 8, 1854.