found: Work cat.: Letter from the Secretary of the Interior, 1888:p. 3 (Indian title was defined by the Supreme Court ... as an "unquestionable right to the lands they occupy, until that right shall be extinguished by a voluntary cession to the government")
found: Black's law dict.(Indian title)
found: LC database, 5/15/95(aboriginal title)
found: The rights of Indians and tribes, 1992:p. 20, etc. (Indian title is sometimes called "aboriginal title" and "Indian right of occupancy"; every tribe has the right to occupy its ancestral homelands until Congress decides otherwise, and this right of occupancy is known as Indian title. However, there are two kinds of Indian title, "aboriginal Indian title" and "recognized Indian title")
found: Am. Indian law in a nutshell, 1988:p. 258 (Indian tribes that occupied and used lands to the exclusion of others had an interest denoted as a "right of occupancy." This right later came to be known as "original Indian title" or sometimes simply as "Indian title" or "original title")
found: Felix S. Cohen's Handbook on federal Indian law, 1982:p. 487 (tribal right of occupancy)