Constellation Similarity Assertions
Percival, John, 1779-1862
John Percival, Captain, USN, known as "Mad Jack," was a naval war hero in the American Revolution.
From the description of Letter, June 7, 1829. (Naval War College). WorldCat record id: 742020802
Maybe-Same Assertions
There are 2 possible matching Constellations.
Perceval, John, active 1789-1839, 4th Earl of Egmont
http://n2t.net/ark:/99166/w6nm363w (person)
Title: 4th Earl of Egmont British Library Archives and Manuscripts Catalogue : Person : Description : ark:/81055/vdc_100000001039.0x0002d0 ...
Percival, John, active 1824-1827, of Add MS 34569
http://n2t.net/ark:/99166/w62c9dvt (person)
Epithet: of Add MS 34569 British Library Archives and Manuscripts Catalogue : Person : Description : ark:/81055/vdc_100000001197.0x00034b ...