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Formula One
Etzrodt, Hans. "The 1925
Automobile World Championship". The
golden era of
Grand Prix racing.
Retrieved 2
January 2015.
Etzrodt, Hans. "The...
- background.
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media related to 1938 in auto racing.
Etzrodt, Hans. "Grand Prix
Winners 1895–1949 : Part 3 (1934–1949)". The Golden...
- Prix races.
Wikimedia Commons has
media related to 1949 in auto racing.
Etzrodt, Hans. "Grand Prix
Winners 1895-1949". The
Golden Age.
Archived from the...
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Formula One.
Wikimedia Commons has
media related to 1937 in auto racing.
Etzrodt, Hans. "Grand Prix
Winners 1895–1949 : Part 3 (1934–1949)". The Golden...
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Grands Prix.
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media related to 1947 in auto racing.
Etzrodt, Hans. "Grand Prix
Winners 1895–1949 : Part 3 (1934–1949)". The Golden...
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Grands Prix.
Wikimedia Commons has
media related to 1948 in auto racing.
Etzrodt, Hans. "Grand Prix
Winners 1895-1949". The
Golden Age.
Archived from the...
- Prix races.
Wikimedia Commons has
media related to 1946 in auto racing.
Etzrodt, Hans. "Grand Prix
Winners 1895–1949 : Part 3 (1934–1949)". The Golden...
- n.d.
Archived from the
original on 2009-03-18.
Retrieved 2009-03-29.
Etzrodt, Hans (2013-06-09). "Grand Prix
Winners 1895–1949: Part 1 (1895–1916)"...
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Right Hub. June 2021.
Archived (PDF) from the
original on 28
January 2022.
Etzrodt, Hans (13 June 2021). "Grand Prix
Winners Part 2 (1919-1933)". The Golden...
- Schwab, Ekkehard; Jakusch, Helmut; Ohlinger, Manfred; Veitch, Ronald;
Etzrodt, Günter; Pfaff, Gerhard; Franz, Klaus-Dieter. "Pigments, Inorganic". Ullmann's...