CONCORD, N.H. (AP).- Writing from England as World War I got under way, Robert Frost was more worried about his personal finances than the threat of war. “This row was exciting at first. But it has lost some of its interest for us,” the poet wrote to his friend Ernest Silver in August 1914, just weeks after Great Britain declared war on Germany. “Not that I think the Germans will come. I bet one of my little amateur bets that other day that not one of them would set foot in England.” The letter is one of six recently donated to Plymouth State University in New Hampshire, where Frost taught for a year before moving to England in 1912. His reputation as a poet grew after the publication of his first book a year later, but Frost still worried about