Authors: D. W. H. Busch --- Diffenbach, J. F. --- Gräfe, Carl Ferdinand --- Hecker, J. F. C. --- Horn, E. --- et al. Hufeland, Christoph Wilhelm --- Jüngken, J. C. --- Link, H. F. --- Müller, J. --- Osann, E.
ISBN: 3111193217 3111564460 Year: 1849 Publisher: De Gruyter