- SammlungW7 - George Washington Walker Collection
- Objekt31 to 37 - Correspondence : Robert Clark, FLinders Island
- (31) - Robert Clark to George Washington Walker 20th January 1845
- (32) - Robert Clark to George Washington Walker 3rd Dec 1845
- (33) - Robert Clark to George Washington Walker 17th March 1846
- (34) - Robert Clark to George Washington Walker 3rd April 1846
- (35) - Robert Clark to George Washington Walker 4th April 1846
- (36) - Robert Clark to George Washington Walker 27th May 1846
- (37) - Robert Clark to George Washington Walker 13th June 1846