Makowiecki, D. “Remarks on the ’breeds" of Dog (Canis Lupus F. Familiaris) in the Polish Lowland in the Roman Period, the Middle Ages and Post-Medieval Times in the Light of Archeozoological Research”. Fasciculi Archaeologiae Historicae, vol. 18, Jan. 2006, https://journals.iaepan.pl/fah/article/view/1378.