Libya. Briefer papers read in conferences: A, Libya as field of research, by Oric Bates; B, International character of commercial history, by Abbott P. Usher; C. Some new manuscript sources for study of modern commerce, by N. S. B. Gras; D, Study of South American commercial history, by Charles Lyon Chandler; E, On economics of slavery, 1815-60, by Ulrich B. Phillips; F, On history of Pennsylvania, 1815-60, by P. Orman Ray; G, Historical research in far West, by Katharine Coman.

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