 | Opium poppy growers – Afghanistan – Ghor – Decision making. |
 | Opium poppy growers – Afghanistan – Ghor. |
(3) | Opium poppy growers – Afghanistan – Helmand. |
 | Opium poppy growers – Afghanistan – Kandahar (Province). |
 | Opium poppy growers – Afghanistan – Kunduz. |
 | Opium poppy growers – Afghanistan – Laghman. |
 | Opium poppy growers – Afghanistan – Nangarhar – Decision making. |
(6) | Opium poppy growers – Afghanistan – Nangarhar. |
(2) | Opium poppy growers – Afghanistan – Periodicals. |
(3) | Opium poppy growers – Afghanistan – Social conditions. |
(2) | Opium poppy growers – Afghanistan – Statistics – Periodicals. |
(2) | Opium poppy growers – Afghanistan – Statistics. |
(17) | Opium poppy growers – Afghanistan. |
 | Opium poppy growers – Asia. |
 | Opium poppy growers – Burma. |
(2) | Opium poppy – Afghanistan – Badakhshan. |
 | Opium poppy – Afghanistan – Badakhshān. |
 | Opium poppy – Afghanistan – Balkh (Province) |
 | Opium poppy – Afghanistan – Balkh. |
(2) | Opium poppy – Afghanistan – Economic aspects. |
 | Opium poppy – Afghanistan – Evaluation. |
 | Opium poppy – Afghanistan – Government policy. |
 | Opium poppy – Afghanistan – Handbooks, manuals, etc. |
 | Opium poppy – Afghanistan – Helmand. |
 | Opium poppy – Afghanistan – Nangarhar. |
(25) | Opium poppy – Afghanistan. |
 | Opium poppy – Asia. |
 | Opium poppy – Biological control. |
(15) | Opium poppy – Control – Afghanistan. |
 | Opium poppy – Control – Burma. |
 | Opium poppy – Economic aspects – Afghanistan – Hilmand. |
 | Opium poppy – Helmand - Afghanistan. |
 | Opium poppy – Herbicide injuries. |
 | Opium poppy – India. |
(2) | Opium poppy – Marketing. |
 | Opium poppy – Nangarhar - Afghanistan. |
(3) | Opium poppy – Political aspects – Afghanistan. |
(2) | Opium poppy – Political aspects – Burma. |
 | Opium poppy – Turkey. |
 | Opium poppy– Afghanistan |
 | Opium trade - Afghanistan - Government policy. |
 | Opium trade – Asia, Central. |
(3) | Opium trade – Afganistan – Economic aspects. |
(11) | Opium trade – Afganistan. |
 | Opium trade – Afghanistan – Badakhshan. |
 | Opium trade – Afghanistan – Balkh. |
 | Opium trade – Afghanistan – Helmand. |
 | Opium trade – Afghanistan – Interpretation. |
 | Opium trade – Afghanistan – Nangarhar. |
 | Opium trade – Afghanistan – Pictorial works. |