Various; Graham, G. R. Graham's Magazine, Vol. XXXI, No. 4, October 1847.
Chicago-viite (17. p.)Various; Graham, George R. Graham's Magazine, Vol. XXXI, No. 4, October 1847.
MLA-viite (9. p.)Various; Graham, George R. Graham's Magazine, Vol. XXXI, No. 4, October 1847.
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