"Travel literature New England 20th century." . . "Adirondack Mountains (N.Y.)" . . "New England" . . . . "Green Mountains (Vt.)" . . . . . . . . . . . . . . . "In nature's laboratory : [commemorating our vacation trip of 1916, August 28th to September 9th]"@en . "In nature's laboratory"@en . . .