74 books • 3 series
Gervaniceae; The Natural Order of Gerania Illustr. by Coloured Fig. and Descriptions Volume 3
Gervaniceae Volume 5; The Natural Order of Gerania Illustr. by Coloured Fig. and Descriptions
Gervaniceae Volume 2; The Natural Order of Gerania Illustr. by Coloured Fig. and Descriptions
Gervaniceae Volume 1; The Natural Order of Gerania Illustr. by Coloured Fig. and Descriptions