. (3Hjf GdOQhR hGdehGQfI aj Xd GdMce GdJQcj ef (B1840 (3Gdi (B1860s - . (3JTQTd, JTGQdR gfQjs; (3GdTYGQ, afOj, eJQLes; Tsharlz Henry Tshershel ([(3HjQhJ(B] :s (3OGQ GdeQhLs, 1984)
Keywords: (3dHfGfs -- (3JGQjN (B- 1840-1860s