Keywords: Boplatskeramik, Nordisk familjebok.jpg Gropkeramik Uppland A pitted ware pottery shard Uppland Sweden Nordisk familjebok 1917 vol 26 Till art Stenålder II http //runeberg org/nfcf/0686 html 1917 Nordisk familjebok PD-Ugglan Original upload log <nowiki>21 29 13 August 2005 Wiglaf Talk contribs 455×355 32 024 bytes pd from Nordisk familjebok which is in the public domain Direct link to original image http //runeberg org/nfcf/stenalder2 jpg </nowiki> Nordic neolithic Neolithic pottery Sherds |