I-IV. Population. 1920: I. Number and distribution of inhabitants. 1921. II. General report and analytical tables. 1922. III. Composition and characteristics of the population by states. 1922. IV. Occupations. 1923

V-VI. Agriculture: V. General report and analytical tables. 1922. VI. Reports for states, with statistics for counties and a summary for the United States and the north, south and west. pt. 1. The northern states. 1922. pt. 2. The southern states. 1922. pt. 3. The western states and outlying possessions. 1922

VII. Irrigation and drainage. General report and analytical tables, and reports for states, with statistics for counties 1922

VIII-X. Manufactures, 1919: VIII. General report and analytical tables. 1923. IX. Reports for states, with statistics for principal cities. 1923. X. Reports for selected industries. 1923

XI. Mines and quarries. 1919. General report and analytical tables and reports for states and selected industries. 1922.