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Re:Space colonies of the future as imagined by NASA in the 1... by dredmorbius on Tuesday November 23, 2021 @12:56PM (#29320885)
Gerard K. O'Neill, High Fronteir and T.A. Heppenheimer, Colonies in Space were two of the better-known ones. Both have distinctive covers.

https://www.worldcat.org/title/high-frontier-human-colonies-...

https://www.worldcat.org/title/colonies-in-space-a-comprehen...

Re:Space colonies of the future as imagined by NASA in the 1... by abecedarius on Tuesday November 23, 2021 @09:00PM (#29326183)
Re:Space colonies of the future as imagined by NASA in the 1... by dredmorbius on Tuesday November 23, 2021 @10:57PM (#29326788)
O'Neill's book is at the Internet Archive / Open Library, available for check-out.