By Grube, G. M. A.
By Plato, Reeve, C. D. C., Grube, G. M. A.
By Plato, Cooper, John M., Grube, G. M. A.
By Martin, Mr. Simon, Grube, Nikolai
By Seckbach, Joseph, Grube, Martin
By Plato, Grube, G. M. A.