Der Fels ended in 1927.
If you are referring to rock music you say RockIf you are referring to the geological term it is der Fels or der Felsen(also figuratively: you are my rock - Du bist mein Fels/Felsen)also as verb to rock - schaukeln
Edwin Fels has written: 'Der Mensch als gestalter der Erde' -- subject(s): Effect of environment on, Human beings, Economic geography 'Der wirtschaftende Mensch als Gestalter der Erde' -- subject(s): Effect of environment on, Human beings, Economic geography, Economic history
Adler Fels was created in 1980.
Joseph Fels was born in 1853.
Joseph Fels died in 1914.
Willi Fels was born in 1858.
Willi Fels died in 1946.
Fels Institute of Government was created in 1937.
Joseph Fels Barnes was born in 1907.
Joseph Fels Barnes died in 1970.
Samuel Simeon Fels was born in 1860.
Edmond de Fels was born in 1858.