Smithsonian Open Access Explorer — 1857
| Record | Record Date | Vuga Group | Change Status | Recency Days | Research Attention Score |
|---|---|---|---|---|---|
| Appleton's Railway and Steam Navigation Guide (April 1857) | 01/01/1857 | NMAH | unchanged | 61,966.43 | 0 |
| Record | Record Date | Vuga Group | Change Status | Recency Days | Research Attention Score |
|---|---|---|---|---|---|
| Appleton's Railway and Steam Navigation Guide (April 1857) | 01/01/1857 | NMAH | unchanged | 61,966.43 | 0 |