i. 15 July 1844 - Vienna - Package with herbaria for Fielding, Bentham, Hooker and Asa Gray (German).
ii. 10 September 1862 - Vienna - Brinign collection of plants from Dr. Seemann. Publications. German).
iii. 18 December 1862 - Vienna - Ferns for the Museum, ordering items from catalogue. (German).