Mystic Seaport, correspondence with Marine Historical Association, 1948-53 Box 34 Unit ID: 297 Date: 1948-53
National Geographic Society, correspondence, 1958-61; also notes, photographs and articles by A.V. for N.G.S Box 35 Unit ID: 201-2
National Geographic Society, correspondence, 1977 and printed material concerning Francis Drake journey Box 35 Unit ID: 304