Before revision: Practitioners recognize the use of such source material as maps, music, paintings, photography, folklore, oral tradition, site exploration, archaeological materials, | year = 1979 | title = Ethnohistory: An Historian's Viewpoint | journal = Ethnohistory | volume = 26 | issue = 1| pages = 3–4 | doi=10.2307/481465| jstor = 481465 </ref>
After revision: Practitioners recognize the use of such source material as maps, music, paintings, photography, folklore, oral tradition, site exploration, archaeological materials, | year = 1979 | title = Ethnohistory: An Historian's Viewpoint | journal = Ethnohistory | volume = 26 | issue = 1| pages = 3–4 | doi=10.2307/481465| jstor = 481465 museum collections, enduring customs, language, and placenames.