Space and time

Lumen

Camille Flammarion

Puck of Pook's Hill

Rudyard Kipling

The Defiant Agents

Andre Norton

Space, Time and Gravitation

An Outline of the General Relativity Theory

Arthur Stanley Sir Eddington

The Galaxy Primes

E. E. (Edward Elmer) Smith

Time and Free Will

An Essay on the Immediate Data of Consciousness

Henri Bergson

Puck of Pook's Hill

Rudyard Kipling

Puck of Pook's Hill

Rudyard Kipling

Mathematical Recreations and Essays

W. W. Rouse (Walter William Rouse) Ball

Space—Time—Matter

Hermann Weyl