The following are the published enactments of the U.S. Congress for the period indicated. The formats of most are PDF character-over-image, so are searchable.

Statutes at Large 1789-1875 are available at the Library of Congress American Memory Project.

The volumes below are only statutes on the income tax.

•  Vol. 41, 1917-19 (205KB)
•  Vol. 42, 1921 (470KB)
•  Vol. 43, 1924 (409KB)
•  Vol. 44, 1926 (440KB)
•  Vol. 45, 1928 (457KB)
•  Vol. 47, 1932 (533KB)
•  Vol. 48, 1934 (454KB)
•  Vol. 49, 1936 (1.5MB)
•  Vol. 52, 1938 (2.1MB)
•  Vol. 53, 1939 (4.5MB)

The volumes below are all statutes for the years indicated, although some years are divided.

•  Vol. 41, 1919-21 (129MB)
•  Vol. 42, 1922 (92MB)
•  Vol. 43, 1923-25 (120MB)
•  Vol. 44, 1925-27 (128MB)
•  Vol. 45, 1927-29 (147MB)
•  Vol. 46, 1929-31 (138MB)
•  Vol. 47, 1931-33 (126MB)
•  Vol. 48, 1933-34 (108MB)
•  Vol. 49, 1935-36 (171MB)
•  Vol. 50, 1937 (77MB)
•  Vol. 51, 1937 (19MB)
•  Vol. 52, 1938 (107MB)
•  Vol. 53, 1939 (79MB)
•  Vol. 54, 1939-41 (106MB)
•  Vol. 55, 1941-42 (71MB)
•  Vol. 56, 1942 (88MB)
•  Vol. 57, 1943 (49MB)
•  Vol. 58, 1944 (76MB)
•  Vol. 59, 1945 (55MB)
•  Vol. 60, 1946 (88MB)
•  Vol. 61, 1947 (76MB)
•  Vol. 62, 1948 (103MB)
•  Vol. 63, 1949 (87MB)
•  Vol. 64, 1950 (102MB)
•  Vol. 65, 1951 (58MB)
•  Vol. 66, 1952 (61MB)
•  Vol. 67, 1953 (47MB)
•  Vol. 68, 1954 (94MB)
•  Vol. 69, 1955 (53MB)
•  Vol. 70, 1956 (85MB)
•  Vol. 71, 1957 (47MB)
•  Vol. 72, 1958 (126MB)
•  Vol. 73, 1959 (52MB)
•  Vol. 74, 1960 (74MB)
•  Vol. 75, 1961 (60MB)
•  Vol. 76, 1962 (89MB)
•  Vol. 77, 1963 (59MB)
•  Vol. 78, 1964 (77MB)
•  Vol. 79, 1965 (91MB)
•  Vol. 80, 1966 (105MB)
•  Vol. 81, 1967 (64MB)
•  Vol. 82, 1968 (96MB)
•  Vol. 83, 1969 (56MB)
•  Vol. 84, 1970 (149MB)
•  Vol. 85, 1971 (56MB)
•  Vol. 86, 1972 (110MB)
•  Vol. 87, 1973 (73MB)
•  Vol. 88, 1974 (166MB)
•  Vol. 89, 1975 (71MB)
•  Vol. 90, 1976 (181MB)
•  Vol. 91, 1977 (98MB)
•  Vol. 92, 1978 (233MB)
•  Vol. 93, 1979 (82MB)
•  Vol. 94, 1980 (224MB)
•  Vol. 95, 1981 (110MB)
•  Vol. 96, 1982 (152MB)
•  Vol. 97, 1983 (86MB)
•  Vol. 98, 1984 (199MB)
•  Vol. 99, 1985 (114MB)
•  Vol. 100, 1986 (308MB)
•  Vol. 101, 1987 (169MB)
•  Vol. 102, 1988 (293MB)
•  Vol. 103, 1989 (149MB)
•  Vol. 104, 1990 (343MB)
•  Vol. 105, 1991 (139MB)
•  Vol. 106, 1992 (303MB)
•  Vol. 107, 1993 (141MB)
•  Vol. 108, 1994 (300MB)
•  Vol. 109, 1995 (52MB)
•  Vol. 110, 1996 (308MB)
•  Vol. 111, 1997 (8MB)
•  Vol. 112, 1998 (14MB)
•  Vol. 113, 1999 (8MB)
•  Vol. 114, 2000 (15MB)
•  Vol. 115, 2001 (10MB)
•  Vol. 116, 2002 (14MB)
•  Vol. 117, 2003 (12MB)
•  Vol. 118, 2004 (19MB)
•  Vol. 119, 2005 (10MB)
•  Vol. 120, 2006 (10MB)
•  Vol. 121, 2007 (6.6MB)

Also see the 1926 United States Code.

Search these volumes