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| 035 | ⊔ | ⊔ | ‡asdr-uiuc6277816 |
| 035 | ⊔ | ⊔ | ‡a(OCoLC)30570411 |
| 040 | ⊔ | ⊔ | ‡aUIU ‡cUIU ‡dVIC ‡dHMG |
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| 049 | ⊔ | ⊔ | ‡aUIUU |
| 050 | ⊔ | 4 | ‡aHV741 ‡b.A32 no.17 |
| 082 | 0 | 4 | ‡a331 ‡bIn263 ‡220 |
| 086 | 0 | ⊔ | ‡aL 5.20:17 |
| 100 | 1 | ⊔ | ‡aSumner, Helen L. ‡q(Helen Laura), ‡d1876-1933. |
| 245 | 1 | 0 | ‡aAdministration of Child Labor Laws. ‡pPart 2. Employment-certificate system, New York / ‡bby Helen L. Sumner and Ethel E. Hanks. |
| 246 | 1 | 0 | ‡aEmployment certificate system, New York |
| 260 | ⊔ | ⊔ | ‡aWashington : ‡bG.P.O., ‡c1917. |
| 300 | ⊔ | ⊔ | ‡a164 p., [3] folded leaves of plates ; ‡c24 cm. |
| 490 | 0 | ⊔ | ‡aBureau publication/U.S. Department of Labor, Children's Bureau ; ‡vno. 17 |
| 490 | 0 | ⊔ | ‡aIndustrial series ; ‡vno. 2, pt. 2 |
| 500 | ⊔ | ⊔ | ‡aAt head of title: U.S. Department of Labor, Children's Bureau. Julia C. Lathrop, Chief. |
| 504 | ⊔ | ⊔ | ‡aIncludes bibliographical references. |
| 538 | ⊔ | ⊔ | ‡aMode of access: Internet. |
| 650 | ⊔ | 0 | ‡aChild labor ‡xLaw and legislation ‡zNew York (State) |
| 650 | ⊔ | 0 | ‡aChild labor ‡zNew York (State) |
| 700 | 1 | ⊔ | ‡aHanks, Ethel E. ‡q(Ethel Edna), ‡db. 1883. |
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