Future Historical Parallels

Poul Anderson's Harvest Of Stars History and Olaf Stapledon's Last Men History both establish exotic settings for later volumes. See Sequels By Stapledon And Anderson.

Anderson's Harvest Of Stars History and Starfarers present slower than light space drives. See Two Space Drives.

Anderson's Harvest Of Stars History and Genesis present different evolutions of artificial intelligence. See Quantum Consciousness.

The Harvest Of Stars History and World Without Stars present different orbiting habitats. See City And Zamok Sabely'.

Cities on extra-solar colony planets in Anderson's Technic History are compared with a small town on an extra-solar colony planet in a Harvest Of Stars novel in Port Kestrel.

Also:

Martian invasion of earth in a novel by Wells, a novel by Anderson and a fictional historical text by Stapledon.

Human devolution into Morlocks and Eloi in The Time Machine contrasts with evolution into Danellians in Time Patrol.