Contains registers 277 through 288
288B Register (12/31/1979)
287B Register (11/30/1979)
286B Register (10/31/1979)
285B Register (9/30/1979)
284B Register (8/31/1979)
283B Register (7/31/1979)
282B Register (6/30/1979)
281B Register (5/31/1979)
280B Register (4/30/1979)
279B Register (3/31/1979)
278B Register (2/28/1979)
277B Register (1/31/1979)
276B Register (1/2/1979)