 His published Travels, "Travels Through the States of North America and the Provinces of Upper and Lower Canada During the Years 1795, 1796 and 1797", quickly went into three editions and was translated into French, German, and Dutch.Notable in his day, Isaac Weld was president of the Royal Dublin Society and met both Thomas Jefferson and George Washington on his travels.Thomas Weld's involvement with Harvard was the beginning of almost 400 years of association between that institution and the Weld Family.