| ID | 266564 |
| Call Number | ILO/S.R.D.21/030926 |
| Title Proper | Hours of work in postal services. Studies and reports series D (Wages and hours of work) No. 21 |
| Language | ENG |
| Author | International Labour Oraganization |
| Publication | London, P. S. Kings and Son, Limited, 1935. |
| Description | 95p |
| Classification Number | ILO |