found: Work cat.: The year the stars fell : Lakota winter counts at the Smithsonian, 2007:p. 1 (winter counts are pictographic calendars in which each image represents a remarkable or unusual event of a single year; the term winter count comes from the Lakota name waniyetu wówapi)
found: Red Horse Owner, M. Red Horse Owner's winter count : the Oglala Sioux, 1786-1968, 1969.
found: Word dance: the language of Native American culture, 1994:p. 262 (winter count: a calendar of pictographs recording a tribal event)
found: Howard, J.H. Dakota winter counts as a source of plains history, 1960.