To supplement his income as a UFO researcher, Hall worked for many years as an abstractor-indexer for the Congressional Information Service in Bethesda, Maryland, and he did similar work for the National Institute on Alcohol Abuse and Alcoholism, Columbia Telecommunications and the National Council on Aging.
To support his income as a UFO researcher, Hall worked for many years as an abstractor-indexer for the Congressional Information Service in Bethesda, Maryland, and he performed similar work for the National Institute on Alcohol Abuse and Alcoholism, Columbia Telecommunications and the National Council on Aging.