Hubble, Edwin The motion of the galactic system among the nebulae. (English) Zbl 0021.28801 J. Franklin Inst. 228, 131-142 (1939). PDFBibTeX XMLCite \textit{E. Hubble}, J. Franklin Inst. 228, 131--142 (1939; Zbl 0021.28801) Full Text: DOI
Hubble, Edwin Effects of red shifts on the distribution of nebulae. (English) Zbl 0016.18707 Astrophys. J. 84, 517-554 (1936). PDFBibTeX XMLCite \textit{E. Hubble}, Astrophys. J. 84, 517--554 (1936; Zbl 0016.18707) Full Text: DOI
Hubble, Edwin Effects of red shifts on the distribution of nebulae. (English) Zbl 0015.32802 Proc. Natl. Acad. Sci. USA 22, 621-627 (1936). PDFBibTeX XMLCite \textit{E. Hubble}, Proc. Natl. Acad. Sci. USA 22, 621--627 (1936; Zbl 0015.32802) Full Text: DOI
Hubble, E. A relation between distance and radial velocity among extra-galactic nebulae. (English) JFM 55.0573.05 Proceedings USA Academy 15, 168-173 (1929). Reviewer: Feigl, Prof. G. (Berlin) PDFBibTeX XMLCite \textit{E. Hubble}, Proc. Natl. Acad. Sci. USA 15, 168--173 (1929; JFM 55.0573.05) Full Text: DOI