"c           VAR 0089      13023 MUNIPAL 3R 900-967               MD= 1E-37   "
"c           REF 0089         LOC  762 WIDTH  9             DK  12 COL 71-79  "
"c                                                 EXP DEC=  2                "
"c                                                                            "
"c              INDEX OF YIELDS OF HIGH GRADE MUNICIPAL BONDS                 "
"c              ---------------------------------------------                 "
"c                                                                            "
"c              NBER SERIES:  13023                                           "
"c              AREA COVERED:  U.S.                                           "
"c              UNITS:  PERCENT                                               "
"c              ANNUAL COVERAGE:  NONE                                        "
"c              QUARTERLY COVERAGE:  NONE                                     "
"c              MONTHLY COVERAGE:  01/1900-07/1914, 01/1915-04/1967           "
"c              SEASONAL ADJUSTMENT:  NONE                                    "
"c              SOURCE:  STANDARD AND POOR'S CORPORATION, DATA FOR            "
"c              1900-1940: "LONG TERM SECURITY PRICE INDEX RECORD (THROUGH    "
"c              DECEMBER 31, 1940)", PP. 137-138.  DATA FOR 1941-1942:        "
"c             "SECURITY PRICE INDEX RECORD: 1941 & 1942", P. 16.  DATA FOR   "
"c              1943-1951: "SECURITY PRICE INDEX RECORD", 1952 EDITION, P.    "
"c              175 (ALSO SEE 1957 EDITION AND 1959 SUPPLEMENT TO 1957        "
"c              EDITION).  DATA FOR 1952-1967:  CURRENT STATISTICS, JULY      "
"c              1952, AND FOLLOWING MONTHLY ISSUES.                           "
"c                                                                            "
"c              NOTES:  AN ARITHMETIC AVERAGE OF THE YIELD TO MATURITY ON     "
"c              EACH ISSUE IS BASED ON THE MEAN OF MONTHLY HIGH AND LOW       "
"c              PRICES.  BEGINNING JANUARY 3, 1929, THE AVERAGE YIELD IS      "
"c              COMPUTED FROM THURSDAY'S CLOSING PRICES, THE MONTHLY INDEX    "
"c              CONSISTING OF AN AVERAGE OF THE FOUR OR FIVE WEEKLY INDEXES   "
"c              FOR THE MONTH. BEGINNING APRIL 30, 1930, WEDNESDAY'S CLOSING  "
"c              PRICES ARE USED AND THE AVERAGE FOR THE MONTH IS TAKEN AS     "
"c              BEFORE.                                                       "
"c                                                                            "
"c              CHECKED MANUALLY; CORRECTED 2/7/94.                           "
"c                                                                            "
"c           ...............................................................  "