https://archive.org/details/historygeologya03zittgoog
History of geology and palaeontology : Zittel, Karl Alfred von, 1839-1904 : Free Download, Borrow,...
Book digitized by Google from the library of Harvard University and uploaded to the Internet Archive by user tpb.
history of geology
https://www.lsu.edu/science/geology/about/department-history.php
Department History | Department of Geology and Geophysics
history of geologydepartmentgeophysics