While attributed to Benjamin Hall Kennedy (1804–1889), a renowned Classics professor, research suggests his daughters, Marion and Julia, played a significant role in organizing and producing the revised version.
It popularized a new structure for learning noun endings, starting with the nominative, vocative, and accusative, which helped highlight similarities between these cases.
The 1906 edition is often cited as a key reprint. A later version, The Revised Latin Primer: Edited and Further Revised by Sir James Mountford , remains in use.
between this and the "Shorter" version? Kennedy's Revised Latin Primer Paper - Amazon.com