Lethaea geognostica. :
Handbuch der erdgeschichte mit abbildungen der für die formationen bezeichnendsten versteinerungen ...

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Item Link Original Source
Full view   Harvard University
Full view   v.1 pt.2 University of Michigan
Full view   v.2 pt.3 University of Michigan
Full view   v.2:3:1 University of California
Full view   v.3 pt.2 University of Michigan
Full view   v.3:2:1 University of California