articles in the Dictionary of National Biography :
"Walker, John (d.1588) ," in Dictionary of National Biography, 1885-1900 , London: Smith, Elder, & Co. (1885–1900) in 63 vols.
"Walker, John (1674-1747) ," in Dictionary of National Biography, 1885-1900 , London: Smith, Elder, & Co. (1885–1900) in 63 vols.
"Walker, John (1731-1803) ," in Dictionary of National Biography, 1885-1900 , London: Smith, Elder, & Co. (1885–1900) in 63 vols.
"Walker, John (1732-1807) ," in Dictionary of National Biography, 1885-1900 , London: Smith, Elder, & Co. (1885–1900) in 63 vols.
"Walker, John (1759-1830) ," in Dictionary of National Biography, 1885-1900 , London: Smith, Elder, & Co. (1885–1900) in 63 vols.
"Walker, John (1768-1833) ," in Dictionary of National Biography, 1885-1900 , London: Smith, Elder, & Co. (1885–1900) in 63 vols.
"Walker, John (1770-1831) ," in Dictionary of National Biography, 1885-1900 , London: Smith, Elder, & Co. (1885–1900) in 63 vols.
"Walker, John (1781?-1859) ," in Dictionary of National Biography, 1885-1900 , London: Smith, Elder, & Co. (1885–1900) in 63 vols.
articles in Men-at-the-Bar :
articles in the 1911 Encyclopædia Britannica :
articles in A Compendium of Irish Biography :