December 1973: small tear on right side of cover

April 1974

November 1974

September 1975

December 1975

March 1976

May 1976: Chunk missing from right side of cover.  Cover split over half way from top.  Moderate cover wear.

December 1977: some wear and curl to left side

June 1978

February 1979

September 1979

August 1981

November 1981: middle leaf loose

December 1981

March 1982

May 1982: Cover split about 6” from top

July 1982

September 1982

November 1982

December 1982