Report to the Chamber of Commerce and Board of Underwriters of the City of New-York on the proceedings of the International Congress : held at York in England, on the 25th, 26th, and 27th days of September, 1864, to inaugurate measures to promote a uniformity in the mode of adjusting general averages in the different countries of the world : with an appendix, containing the French, Dutch, German, Norwegian, and Swedish codes on the subject of averages / by William Marvin, delegate.