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Administration of Mothers' Aid in Ten Localities
作者
Alice Madorah Donahue / Ella Gardner / Mary Florensia Bogue / Nettie Pauline McGill / Ruth S. Bloodgood
出版1927
ISBN
COLUMBIA:CU12861952
主題
Agricultural laborers
They Work While You Play
作者
Ella Arvilla Merritt / Caroline Ella Legg
出版1950
ISBN
UOM:39015065219399
主題
Amusements
Child Labor Legislation in the United States
作者
Helen Laura Sumner / United States. Children's Bureau / Ella Arvilla Merritt
出版1915
ISBN
UCSC:32106000916988
主題
Child labor
Administration of Child Labor Laws
作者
United States. Children's Bureau / Helen Laura Sumner / Ethel Edna Hanks / Francis Henry Bird / Ella Arvilla Merritt
出版1915
ISBN
UOM:35112105240057
主題
Child labor
State Laws and Local Ordinances Regulating the Str...
作者
Ella Arvilla Merritt
出版1929
ISBN
OCLC:457715741
Administration of Child Labor Laws. Part III. Empl...
作者
Ella Arvilla Merritt
出版1919
ISBN
OCLC:457715718
Child Labor Legislation in the United States, by H...
作者
Ella Arvilla Merritt / Helen Laura Sumner Woodbury (Mme Robert Morse)
出版1915
ISBN
OCLC:457715732
Administration of Child Labor Laws: Employment-cer...
作者
United States. Children's Bureau / Helen Laura Sumner / Ethel Edna Hanks / Francis Henry Bird / Ella Arvilla Merritt
出版1915
ISBN
LCCN:15026412
主題
Child labor
The Promotion of the Welfare and Hygiene of Matern...
作者
Douglas Armour Thom / Emelyn Foster Peck / United States. Children's Bureau / Emma Octavia Lundberg / Mary Eleanor Milburn
出版1924
ISBN
OSU:32435064034911
主題
Agricultural laborers
Child Workers on City Streets
作者
Nettie Pauline McGill / Ella Arvilla Merritt
出版Sagwan Press, 2018-02-07
ISBN
1376965488 / 9781376965483
Children in Agriculture
作者
Nettie Pauline McGill / Ella Arvilla Merritt
出版Palala Press, 2015-09-05
ISBN
1341624668 / 9781341624667
They Work While You Play
作者
Ella Arvilla Merritt
出版1950
ISBN
OSU:32435063085583
主題
Amusements
The Promotion of the Welfare and Hygiene of Matern...
作者
Alice Madorah Donahue / Bernard Flexner / National Committee for Mental Hygiene / Nettie Pauline McGill / United States. Children's Bureau / Reuben Oppenheimer / Katherine Lenroot
出版1929
ISBN
OSU:32435061566014
主題
Agricultural laborers
Industrial Home Work Under the National Recovery A...
作者
Mary Elizabeth Skinner
出版1936
ISBN
OSU:32435063933055
主題
Cottage industries
Child Labor: Outlines for Study
作者
United States. Children's Bureau / Ellen Nathalie Matthews
出版1923
ISBN
IND:30000090409271
主題
Child labor
Industrial Home Work Under the National Recovery A...
作者
Mary Elizabeth Skinner / Ella Arvilla Merritt / United States Children'S Bureau
出版Palala Press, 2018-03-02
ISBN
1378998898 / 9781378998892
主題
History
Trend of Child Labor, 1939-42
作者
Ella Arvilla Merritt
出版1943
ISBN
OCLC:966762573
主題
Child labor
Trend of Child Labor
作者
Ella Arvilla Merritt
出版1938
ISBN
OCLC:966763509
主題
Child labor
Minors in Automobile and Metal-Manufacturing Indus...
作者
Helen M. B. Dart / United States Children'S Bureau / Ella Arvilla Merritt
出版Sagwan Press, 2018-02-07
ISBN
1377014487 / 9781377014487
主題
History
Legal Regulation of the Employment of Minors 16 Ye...
作者
Ella Arvilla Merritt / United States. Children's Bureau
出版1924
ISBN
SRLF:A0011955598
主題
Child labor
Child Labor Legislation in the United States
作者
Helen Laura Sumner / Ella Arvilla Merritt / United States. Children's Bureau
出版1915
ISBN
OSU:32435030508824
主題
Child labor
... Trends in Different Types of Public and Privat...
作者
Ella Oppenheimer / Emma Annie Winslow / Mary Elizabeth Skinner / United States. Children's Bureau
出版1936
ISBN
COLUMBIA:CU17016134
主題
Charities
Trend of Child Labor
作者
Ella Arvilla Merritt / Floy Hendricks
出版1945
ISBN
OCLC:966755817
主題
Child labor
Administration of Mothers' Aid in Ten Localities
作者
Alice Madorah Donahue / Ella Gardner / Mary Florensia Bogue / Nettie Pauline McGill / Ruth S. Bloodgood
出版1927
ISBN
COLUMBIA:CU12861952
主題
Agricultural laborers
Administration of Child Labor Laws
作者
United States. Children's Bureau / Helen Laura Sumner / Ethel Edna Hanks / Francis Henry Bird / Ella Arvilla Merritt
出版1915
ISBN
UOM:35112105240057
主題
Child labor
Child Labor Trends in Expanding Labor Market
作者
Ella Arvilla Merritt
出版1949
ISBN
OCLC:966821950
主題
Child labor
Comparability of Maternal Mortality Rates in the U...
作者
Alida C. Bowler / Elizabeth Carpenter Tandy / Ella Gardner / Ella Oppenheimer / Emma Annie Winslow / Mary Elizabeth Skinner / United States. Children's Bureau
出版1937
ISBN
LCCN:l36000104
主題
Charities
Illegitimacy as a Child-welfare Problem
作者
Ellen Nathalie Matthews / Emma Octavia Lundberg / Ethel Maria Springer / Helen Maretta Dart / United States. Children's Bureau / Helen Valeska Bary
出版1923
ISBN
OSU:32435064034721
主題
Agricultural laborers
Analytical tabels
作者
Helen Laura Sumner Woodburyl / Ella Arvilla Merritt
出版1915
ISBN
OCLC:255288381
Legal regulation of the employment of minors 16 ye...
作者
Ella Arvilla Merritt
出版1924
ISBN
OCLC:643671836