Newsletter of the Great Lakes Exposition; Articles highlighting 1937 version of the exposition; b&w photographs and sketches; mailed to "Mr. Gavin / R Show moreNewsletter of the Great Lakes Exposition; Articles highlighting 1937 version of the exposition; b&w photographs and sketches; mailed to "Mr. Gavin / Reserve Litho & Print Co. / 2342 East 9th St. / Cleveland, O" Great Lakes Exposition of 1936 and 1937 Show less