YEAR = VOLUME NUMBER (Philippine Reports)
1901 = 1
1902 = 1- 2
1903 = 3
1904 = 3- 5
1905 = 5
1906 = 6
1907 = 7- 9
1908 = 9-11
1909 = 13-14
1910 = 15-17
1911 = 18-20
1912 = 21-23
1913 = 24-26
1914 = 26-29
1915 = 29-33
1916 = 33-35
1917 = 35-37
1918 = 37-39
1919 = 39-40
1920 = 40-41
1921 = 41-42
1922 = 42-44
1923 = 44-45
1924 = 45-47
1925 = 47-48
1926 = 48-49
1927 = 49-51
1928 = 51-52
1929 = 52-54
1930 = 54-55
1931 = 55-57
1932 = 56-57
1933 = 57-59
1934 = 60-63
1935 = 63
1936 = 63
1937 = 64-65
1938 = 65-66
1939 = 67-69
1940 = 69-70
1941 = 71-73
1942 = 73-74
1943 = 74
1944 = 74
1945 = 74-75
1946 = 75-77
1947 = 78-79
1948 = 80-82
1949 = 82-85
1950 = 85-87
1951 = 88-90
1952 = 90-92
1953 = 92-94
1954 = 94-96
1955 = 96-98
1956 = 98-100
1957 = 100-103
1958 = 103-104
1959 = 105-106
1960 = 107-110
1961 = 111-113
1962 = 114-116
1963 = 117-119
1964 = 119-120
1965 = 121-122
1966 = 122-125
