| Richard Theodore Ely, Thomas Sewall Adams, Max Otto Lorenz, Allyn Abbott Young - 1923 - 826 páginas
...the children worked, pointing out that " the untimely labor of the night, and the protracted labor of the day, with respect to children, not only tends...encouragement to idleness, extravagance, and profligacy in the parents, who, contrary to the order of nature, subsist by the oppression of their offspring."... | |
| Henry Stanislaus Spalding - 1925 - 504 páginas
...the employments and the duties of manhood. "The untimely labor of the night and the protracted labor of the day, with respect to children, not only tends...encouragement to idleness, extravagance, and profligacy in the parents, who, contrary to the law of nature, subsist by the oppression of their children. "It... | |
| Adam Henry Robson - 1931 - 278 páginas
[ Lo sentimos, el contenido de esta página está restringido. ] | |
| Paul Mantoux - 1935 - 550 páginas
[ Lo sentimos, el contenido de esta página está restringido. ] | |
| Willard J. Graham - 1935 - 360 páginas
[ Lo sentimos, el contenido de esta página está restringido. ] | |
| 1937 - 1096 páginas
[ Lo sentimos, el contenido de esta página está restringido. ] | |
| George Sarton - 1938 - 1318 páginas
[ Lo sentimos, el contenido de esta página está restringido. ] | |
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