ニューイングランド移民援助会社
com/books?id=zW0wHe35BroC&pg=PA55&dq=New+England+Emigrant+Aid+Company&q=New%20England%20Emigrant%20Aid%20Company
↑ Johnson, Oliver (1887). The Abolitionists Vindicated in a Review of Eli Thayers' Paper on the New England Emigrant Aid Society. F.P. Rice. p. 28. https://books.google.com/books?id=RfJYAAAAMAAJ&printsec=frontcover&dq=New+England+Emigrant+Aid+Company&q=Emigrant%20Aid