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Authors whose works are in public domain in at least one jurisdiction

List of works by Edwin Hubble

A Relation Between Distance and Radial Velocity Among Extra-Galactic Nebulae

scientific article

A general study of diffuse galactic nebulae

scientific article published in the Astrophysical Journal

Cepheids in Spiral Nebulae

scientific article published in 1925

Effects of Red Shifts on the Distribution of Nebulae

scientific article (publication date: December 1936)

Effects of Red Shifts on the Distribution of Nebulae.

scientific article

Explorations in Space the Cosmological Program for the Palomar Telescopes

scientific article

First Photographs with the 200-inch Hale Telescope

article by Edwin Hubble, published June 1949

Five historic photographs from Palomar / Edwin P. Hubble. - (11.1949)

article from 'Scientific American', published in November 1949

Messier 87 and Belanowsky's Nova

Red-shifts and the Distribution of Nebulae

article by E. Hubble et al published 1 May 1937 in Monthly Notices of the Royal Astronomical Society

THE DISTRIBUTION OF EXTRA-GALACTIC NEBULAE

scientific article

THE PROBLEM OF THE EXPANDING UNIVERSE

scientific article

The Brightest Variable Stars in Extragalactic Nebulae. I. M31 and M33

scientific article published in the Astrophysical Journal

The Velocity-Distance Relation among Extra-Galactic Nebulae

scientific article published in the Astrophysical Journal

The Velocity-Distance Relation for Isolated Extragalactic Nebulae

scientific article

The observational approach to cosmology

written work by Edwin Hubble

The realm of the nebulae

written work by Edwin Powell Hubble

Two Methods of Investigating the Nature of the Nebular Redshift

scientific article published in the Astrophysical Journal