- Series: If Essays Series Record # 31767
- If Essays
- An Editorial Appeal (1974) [ES] by Jim Baen [only as by Baen]
- On the Urbanization of the Solar System (1974) [ES] by Jim Baen [only as by Baen]
- On Building Walls (1974) [ES] by Jim Baen [only as by Baen]
- Editorial (If, November-December 1974) (1974) [ES] by Jim Baen [only as by Baen]