Constellation Similarity Assertions
Portsmouth (Sloop of war)
The Portsmouth was under Commander John B. Montgomery and sailed chiefly on the coasts of Mexico and California.
From the description of Logbooks of the Portsmouth, 1844-1847. (University of California, Berkeley). WorldCat record id: 214990328
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Maybe-Same Assertions
There are 1 possible matching Constellations.
Portsmouth (Sloop)
http://n2t.net/ark:/99166/w6jj092x (corporateBody)
No biographical history available for this identity.