Brinkmanship at Niagara Falls
2/3rds Page Vertical
Natural History, May 1965, 62.
Scientific American, May 1965, 150.
Natural History, June-July 1965, 66.
Scientific American, June 1965, 146.
Modern Photography, June 1965, 20.
Modern Photography, July 1965, 21.
Natural History, June-July 1966, 63.
Scientific American, June 1966, 140.
Modern Photography, July 1966, 40.
1 Page Vertical
Sky and Telescope, August 1965, IFC.