23—Nate Fine, UPI, Pictorial Parade
24, 25—top, UPI, Ken Regan
bottom, Walter Iooss Jr. (2)
26—Walter Iooss Jr.
28—UPI
30—AP
31—Jon Brenneis-LIFE
35-40—diagrams by Don Moss
42—UPI
47—Lee Balterman
52—James Drake
66—Ruth Haseltine, AP, Minneapolis Star, Gene L. Letourneau.