[[pie-culture]] --- [[encylopedias]] [[kelly1863]] [[cox1870-1887]] [[keary1882]] [[o-schrader1890]] [[gunther1967]] [[benveniste1969]] Dictionary [[Littleton1980-problem]] [[m-jazayery-w-winter1988]] [[gamkrelidze-ivanov-vy1995]] [[polome1996-elements]] [[gimbutas1997-kurgan]] [[jackson2002]] philosophy, psychology [[hayden2004]] [[jacob2005]] [[k-patton2009]] [[serith2009]] [[cleary-c2011]] [[k-macdonald2017]] [[cleary-c2018]]