| Examples | |
| 1 | Fish in the nineteenth century |
| Fishing as a leisure activity | |
| 2 | Fishing in the nineteenth and early twentieth century |
| Scientific understanding | |
| 3 | U.S. Commission of Fish and Fisheries, Woods Hole, Mass. (1871) |
| 4 | Sandra J. Raredon (NMNH): X-Rays of fish |
| Examples | |
| 1 | Fish in the nineteenth century |
| Fishing as a leisure activity | |
| 2 | Fishing in the nineteenth and early twentieth century |
| Scientific understanding | |
| 3 | U.S. Commission of Fish and Fisheries, Woods Hole, Mass. (1871) |
| 4 | Sandra J. Raredon (NMNH): X-Rays of fish |