ZS8 9012 - 1976 to ZS8 9029 - 1979	ZS9 9031- 1979	ZS9 9032- 1980 to 1984	1984 to 1987 Label discontinued
Caribou Records was started in 1976 by producer James William Guercio, the long time manager of the band Chicago. Guercio also founded Caribou Ranch recording studios (destroyed by a fire in 1985).

Range	Front	Back	Details
No 1 1976 to 1983 ........................................................			.
Later issues in picture sleeves	Cut straight	Inside glued