Confirmed by Project Gutenberg and related reprint metadata. Second edition, revised and improved, published in London by Henry Colburn and Richard Bentley in 1830. The duelling relevance lies in the memoir material and period anecdotes rather than a dedicated fencing treatise structure.
Quality phase 193: the second edition is in three volumes, issued 1830–1832; volume 1 title page and colophon confirm Colburn and Bentley and printer A. J. Valpy.
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PDFRoom reprint metadata for Personal Sketches
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Secondary reprint metadata preserving the original 1830 imprint statement.