Charles Frederick Schaeffer was born in 1807.
Charles Frederick Schaeffer died in 1879.
Frederick David Schaeffer was born in 1760.
Frederick Christian Schaeffer was born in 1792.
Charles Ashmead Schaeffer was born in 1843.
Charles William Schaeffer was born in 1813.
Frederick David Schaeffer died in 1836.
Frederick Christian Schaeffer died in 1832.
Charles Frederick Henningsen died in 1877.
Charles A. Schaeffer has written: 'Cumol and propylbenzol'
Charles Ashmead Schaeffer died in 1898.
Charles William Schaeffer died in 1896.
Charles Frederick Hartt was born in 1840.