Report of the naval committee to the House of Representatives, August, 1850, in favor of the establishment of a line of mail steamships to the western coast of Africa, and thence via the Mediterranean to London; designed to promote the emigration of free persons of color from the United States to Liberia: also to increase the steam navy, and to extend the commerce of the United States.

United States. Congress. House. Committee on Naval Affairs

《Report of the naval committee to the House of Representatives, August, 1850, in favor of the establishment of a line of mail steamships to the western coast of Africa, and thence via the Mediterranean to London; designed to promote the emigration of free persons of color from the United States to Liberia: also to increase the steam navy, and to extend the commerce of the United States.》，United States. Congress. House. Committee on Naval Affairs。这是一部关于历史、战争、文学的公版作品，适合在安静的片刻里慢慢读下去。