GSL/L/R/3/77
Letter from Bernhard COTTA
8 May 1837
GSL/L/R/11/69
Letter from Carl Berhard von COTTA
20 May 1849
GSL/L/R/19/312
Letter from: Bernhard von COTTA
15 Jun 1879
GSL/POR/51/05-3
Portrait of Prof Carl Bernhard von COTTA
28 May 1868
LDGSL/780
Book, 'Die Lehre von den Flotzformationen'
1856