Author:Johann Georg Hagen
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Johann Georg Hagen
Works
[edit]- Various Scales for Color Estimates. Astrophysical Jour., 34, pp. 261-276; 1911.
Contributions to the Catholic Encyclopedia
[edit]- Nicolaus Copernicus
- Pierre Gassendi
- Giovanni Battista Guglielmini
- Eduard Heis
- Pierre-Simon Laplace
- Aloisius Lilius
- Johann Müller (Regiomontanus)
- Nicholas of Cusa
- Paul of Middelburg
- Science and the Church
- Wilhelm Tempel
- Systems of the Universe
- Vatican Observatory
Some or all works by this author are in the public domain in the United States because they were published before January 1, 1929.
This author died in 1930, so works by this author are in the public domain in countries and areas where the copyright term is the author's life plus 93 years or less. These works may be in the public domain in countries and areas with longer native copyright terms that apply the rule of the shorter term to foreign works.
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