Joseph Fels died in 1914.
Joseph Fels Barnes died in 1970.
Joseph Fels was born in 1853.
Joseph Fels Barnes was born in 1907.
Willi Fels died in 1946.
Edmond de Fels died in 1951.
Joseph Fels Ritt has written: 'Integration in finite terms' -- subject(s): Calculus, Integral 'Differential equations from the algebraic standpoint' -- subject(s): Differential equations
Simeon D. Fess died on 1936-12-23.
Adler Fels was created in 1980.
Der Fels ended in 1927.
Willi Fels was born in 1858.
Edmond de Fels was born in 1858.
Samuel Simeon Fels was born in 1860.