by United States. Children's Bureau

1921

by United States. Bureau of Agricultural Economics

1923

by Bureau of Municipal Research (New York, N.Y.)

1913

by University of California, Berkeley. School of Education. Bureau of Research in Education

1922

by New York (N.Y.). Board of Education. Bureau of Attendance

1916

by Bureau of Jewish Social Research (New York, N.Y)

1928

by United States. Bureau of Labor Statistics

1916

by University of Michigan. Bureau of Business Research

1930

by University of Illinois (Urbana-Champaign campus). Bureau of Educational Research

1929

by University of Illinois (Urbana-Champaign campus). Bureau of Educational Research

1923

by United States. Bureau of Foreign and Domestic Commerce

1929

by Philadelphia School District. Board of Public Education. BUREAU OF COMPULSORY EDUCATION, School District of Philadelphia, Pa. Bureau of Compulsory Education

1917