United States Internal Revenue Service

Statistics of Income (1948); Compiled from the Returns for

Statistics of Income (1924); Compiled from the Returns for

Statistics of Income (1938); Compiled from the Returns for

Statistics of Income (1932); Compiled from the Returns for

Statistics of Income (Volume 1941, PT. 1); Compiled from the Returns for

Statistics of Income (1926); Compiled from the Returns for

Statistics of Income (1935); Compiled from the Returns for

Statistics of Income (1927); Compiled from the Returns for

Statistics of Income (1928); Compiled from the Returns for

Statistics of Income (1930); Compiled from the Returns for

Statistics of Income (1929); Compiled from the Returns for

Statistics of Income (1931); Compiled from the Returns for

Statistics of Income (1934); Compiled from the Returns for

Statistics of Income (1939); Compiled from the Returns for

Statistics of Income (1933); Compiled from the Returns for

Statistics of Income (1925); Compiled from the Returns for

Statistics of Income (1951); Compiled from the Returns for

Statistics of Income (1950); Compiled from the Returns for

Statistics of Income (1937); Compiled from the Returns for

Statistics of Income (1940); Compiled from the Returns for

Statistics of Income (1952); Compiled from the Returns for

Statistics of Income (1923); Compiled from the Returns for

Statistics of Income (1936); Compiled from the Returns for

Statistics of Income (Volume 1941, PT. 2); Compiled from the Returns for