 At the same period (1802-5) Murray worked for the "Edinburgh Review"
Murray's early promise then faded, but he was an influential editor and biographer.His major work, the "History of the European Languages, or Researches into the Affinities of the Teutonic, Greek, Celtic, Slavonic, and Indian Nations," was edited by David Scot, and published, with a detailed "Life", by Sir Henry Wellwood Moncreiff, in 2 vols., 1823.To the "Edinburgh Review" of 1803 Murray contributed a review of Charles Vallancey's "Prospectus of an Irish Dictionary;" to the number for January 1804 he furnished an article on James Stanier Clarke's "Progress of Maritime Discovery;" and in January 1805 he discussed Thomas Maurice's "History of Hindostan."