- Natural History Museum, London: NHM WP1/4/8(2)
- Natural History Museum, London: NHM WP1/4/8(1)
Walk with Annie's father (William Mitten) from Grimsel Hospice; visit to Reichenbach Falls and gorge of the Aar; sending a box of plants collected including a beech fern and some Asplenium septentrionale (fern); plans to go to Wengern and stay a week; Mitten collecting mosses; cost of postage of newspapers from England.