1. Agassiz, L., 1840a. Études sur les glaciers. Neuchâtel.
2. Agassiz, L., 1840b. On the polished and striated surfaces of the rocks which form the beds of Glaciers in the Alps, Proceedings of the Geological Society, 3, 71, 321–322.
3. Agassiz, L., 1840c. On Glaciers and Boulders in Switzerland. This lengthy address in French is only preserved in short English summaries by British Association Report, Glasgow, 1984, Part 2, 113–114 and in The Athenaeum, 17 October 1840, No. 677, 824.
4. Agassiz, L., 1841. Glaciers and the evidence of their having once existed in Scotland, Ireland and England. Proceedings of the Geological Society, 3, 72, 327–332.
5. Charpentier, J. de., 1841. Essai sur les glaciers et sur le terrain erratique du bassin du Rhône. Laussanne.