This entry was published at least two years ago (originally posted on November 30, 2021). Since that time the information may have become outdated or my beliefs may have changed (in general, assume a more open and liberal current viewpoint). A fuller disclaimer is available.
📚 49/2021: The World of Science Fiction 1926-1976: The History of a Subculture by Lester del Rey ⭐️⭐️⭐️