O'-Check-Ka or Four Legs Head Chief of the Winnebagoes on Winnebago Lake, Michigan / / painted at the Treaty of Green Bay 1827 by J.O. Lewis ; Lehman & Duval Lithrs.

O'-Check-Ka or Four Legs, full length portrait, standing, facing slightly left, wearing traditional dress and holding rifle, 1827.
Illus. in: The aboriginal port-folio : a collection of portraits of the most celebrated chiefs of the North American Indians / by J.O. Lewis. Philadelphia : J.O. Lewis, 1835[-36].