| 文獻類型 | Book |
| 語言 | English |
| 分類號 | 973.7 |
| 出版 | Learner Publications, Minneapolis, 2011 |
| 版本 | 1st ed. |
| 主題 | Underground RailroadFugitive slaves--United StatesAntislavery movements--United StatesAbolitionists--United StatesHistory |
| 題目 | History |
| 叢書 | Six questions of american history |
| 描述 | 48 p. :col. ill. ;23 cm. |
| ISBN | 9780761371298 |