Would a double-ended warhammer (hammer head on each end of the staff) be a viable weapon in a semi-realistic fantasy setting if used by a strong race? - Quora
Weapons of War: the War Hammer - Warfare History Network
Archaic Indian Stone Tool Primitive Native American War Hammer Hafted Axe Head | eBay
War hammer – FakeSteel Armory
Pointed War Hammer — Archangel Steel
A very rare German Gothic War Hammer 'Dolchstreithammer' - Ethnographic Arms & Armour