Vol. for 1900 accompanied by "Festheft dem VIII. Internationalen Geologen Congress zu Paris gewidmet"; for 1907 accompanied by "Festband zur Feier des 100 jährigen Bestehens."

Vol. for 1900 accompanied by "Festheft dem VIII. Internationalen Geologen Congress zu Paris gewidmet"; for 1907 accompanied by "Festband zur Feier des 100 jährigen Bestehens."

Vol. for 1900 accompanied by "Festheft dem VIII. Internationalen Geologen Congress zu Paris gewidmet"; for 1907 accompanied by "Festband zur Feier des 100 jährigen Bestehens."

Vol. for 1900 accompanied by "Festheft dem VIII. Internationalen Geologen Congress zu Paris gewidmet"; for 1907 accompanied by "Festband zur Feier des 100 jährigen Bestehens."

Vol. for 1900 accompanied by "Festheft dem VIII. Internationalen Geologen Congress zu Paris gewidmet"; for 1907 accompanied by "Festband zur Feler des 100 jährigen Bestehens."

Vol. for 1900 accompanied by "Festheft dem VIII. Internationalen Geologen Congress zu Paris gewidmet"; for 1907 accompanied by "Festband zur Feier des 100 jährigen Bestehens ...

Vol. for 1900 accompanied by "Festheft dem VIII. Internationalen Geologen Congress zu Paris gewidmet"; for 1907 accompanied by "Festband zur Feler des 100 jährigen Bestehens."

Vol. for 1900 accompanied by "Festheft dem VIII. Internationalen Geologen Congress zu Paris gewidmet"; for 1907 accompanied by "Festband zur Feler des 100 jährigen Bestehens."

Vol. for 1900 accompanied by "Festheft dem VIII. Internationalen Geologen Congress zu Paris gewidmet"; for 1907 accompanied by "Festband zur Feler des 100 jährigen Bestehens."

Vol. for 1900 accompanied by "Festheft dem VIII. Internationalen Geologen Congress zu Paris gewidmet"; for 1907 accompanied by "Festband zur Feler des 100 jährigen Bestehens."