Revenue revision of 1950 : hearings before the Committee on Ways and Means, House of Representatives, Eighty-first Congress, second session.

Hearings held Feb. 3-Mar. 3, 1950.

Nutrition monitoring in the United States : National Nutrition Monitoring and Related Research Program.

Mode of access: Internet.

Code of Federal regulations : containing a codification of documents of general applicability and future effect as of December 31, 1948, with ancillaries and index.

Kept up to date by cumulative supplements and replacement volumes.

Inventory of personnel automation projects in federal agencies.

Mode of access: Internet.

Circular[s] of information.

Circulars of information, no. 1, 1887; nos. 1-4, 7, 1888; nos. 1,3, 1889; no. 1, 1890; nos. 1, 4-6, 1891; nos. 2-3, 5-6, 1893; nos. 1-2, 1894; nos. 1-3, 1898; nos. 1-3, 1899; nos. 1-4, 1900; nos. 1-4, 1902; nos. 1-3, 1903, are issued also as Contributions of American educational history, nos. [1-]36, respectively.