"By my strong hand : the motto of Clan MacKay of Southerland, Scotland"@en . . . . . . "By my strong hand the motto of Clan MacKay of Southerland, Scotland; an account of some of the lives and adventures of the Key family of Prince George County, Maryland, and Marshall, Texas from the earliest times to the present"@en . "By my strong hand; the motto of Clan MacKay of Southerland, Scotland; an account of some of the lives and adventures of the Key family of Prince George County, Maryland, and Marshall, Texas from the earliest times to the present" . . . "By my strong hand : The Key family of Texas and Prince Geroge County, Maryland"@en . . . . .