Georg Ernestus Stahl
OP001245
20.7 x 15.9 cm
Cornelius Stalpart van der Wiel
OP001246
24.6 x 15.5 cm
Johann Christian Stark
OP001247
17.5 x 10.5 cm
Hermann Staudinger
OP001248
1954 24.4 x 15.9 cm
Hermann Staudinger (verso)
OP001248_B
1954 24.4 x 15.9 cm
Wilhelm Stepp
OP001249
1952 24.5 x 16.0 cm
Wilhelm Stepp (verso)
OP001249_B
1952 24.5 x 16.0 cm
Dr. John Stewart, Halifax [?]
OP001250
10.2 x 6.2 cm
Dr. John Stewart, Halifax [?] (verso)
OP001250_B
10.2 x 6.2 cm
William S. Stewart
OP001251
23.2 x 15.3 cm
Benedikt Stilling
OP001255
20.1 x 13.7 cm
A.P. Stoner
OP001256
25.0 x 15.7 cm
Philipp Stöhr
OP001257
1911 24.6 x 16.0 cm
Sir William Stokes
OP001258
23.3 x 16.0 cm
Eduard Strasburger
OP001259
1912 24.3 x 15.5 cm