| Collana «NGS::NationalGeographic» di ANON in Universus |
| |
| 1 | 169.1: | | National Geographic Vol. 169. No. 1. january 1986 | 1986.01 |
| 2 | 169.2: | | National Geographic Vol. 169. No. 2. february 1986 | 1986.02 |
| 3 | 169.3: | | National Geographic Vol. 169. No. 3. march 1986 | 1986.03 |
| 4 | 169.4: | | National Geographic Vol. 169. No. 4. april 1986 | 1986.04 |
| 5 | 169.5: | | National Geographic Vol. 169. No. 5. may 1986 | 1986.05 |
| 6 | 169.6: | | National Geographic Vol. 169. No. 6. june 1986 | 1986.06 |
| 7 | 169.7: | | National Geographic Vol. 170. No. 1. july 1986 | 1986.07 |
| 8 | 171.1: | | National Geographic Vol. 171. No. 1. january 1987 | 1987.01 |
| 9 | 171.2: | | National Geographic Vol. 171. No. 2. february 1987 | 1987.02 |
| 10 | 171.3: | | National Geographic Vol. 171. No. 3. march 1987 | 1987.03 |
| 11 | 171.4: | | National Geographic Vol. 171. No. 4. april 1987 | 1987.04 |
| 12 | 171.5: | | National Geographic Vol. 171. No. 5. may 1987 | 1987.05 |
| 13 | 171.6: | | National Geographic Vol. 171. No. 6. june 1987 | 1987.06 |
| 14 | 172.1: | | National Geographic Vol. 172. No. 1. july 1987 | 1987.07 |
| 15 | 172.2: | | National Geographic Vol. 172. No. 2. august 1987 | 1987.08 |
| 16 | 172.3: | | National Geographic Vol. 172. No. 3. september 1987 | 1987.09 |
| 17 | 172.4: | | National Geographic Vol. 172. No. 4. october 1987 | 1987.1 |
| 18 | 172.5: | | National Geographic Vol. 172. No. 5. november 1987 | 1987.11 |
| 19 | 172.6: | | National Geographic Vol. 172. No. 6. december 1987 | 1987.12 |
| 20 | 173.1: | | National Geographic Vol. 173. No. 1. january 1988 | 1988.01 |
| 21 | 173.4: | | National Geographic Vol. 173. No. 4. april 1988 | 1988.04 |
| 22 | 173.5: | | National Geographic Vol. 173. No. 5. may 1988 | 1988.05 |
| 23 | 174.3: | | National Geographic Vol. 174. No. 3. september 1988 | 1988.09 |
| 24 | 174.4: | | National Geographic Vol. 173. No. 4. october 1988 | 1988.1 |
| 25 | 190.1: | | National Geographic Vol. 190. No.1. july 1996 | 1996.07 |
| 26 | 190.3: | | National Geographic Vol. 190. No. 3. september 1996 | 1996.09 |
| 27 | 190.4: | | National Geographic Vol. 190. No. 4. october 1996 | 1996.1 |
| 28 | 190.5: | | National Geographic Vol. 190. No. 5. november 1996 | 1996.11 |
| 29 | 190.6: | | National Geographic Vol. 190. No. 6. december 1996 | 1996.12 |
| 30 | 191.2: | | National Geographic Vol. 191. No. 2. february 1997 | 1997.02 |
