1967, Astronautics and Aeronautics, 1966: Chronology on Science, Technology, and Policy, Engineers would be isolated as if on moon, wear long-johns or spacesuits, and eat dehydrated food, but would have radio communications for receiving instructions and equipment to record physical condition continuously during test.
1978, It’s A Long Winter... How About Some Long-Johns?, Another Michigan winter is almost here. But this year you can fight the cold and show your maize-and-blue colors in University of Michigan flannel long-johns.
1986, Tom McNab, The Fast Men, For the runner was fully dressed and it was the rider who was stripped to the waist, clad in white long-johns and black leather moccasins.
1989, Marion Woodson, Mid’s Summer …the Horse Race, Josie was the only Springett who did not wear long-johns in winter.
1989, Konrad Bartelski, Successful Skiing, Under the salopettes you can wear long-johns, or I use a pair of track-suit bottoms if it is cold.