1. Classical glacial landforms of Snowdonia;Addison,1983
2. Classic landforms of Snowdonia;Addison,1997
3. Introduction to the Quaternary in North Wales;Addison,1990
4. Upon glaciers, moraines, and erratic blocks; being the address delivered at the opening of the Helvetic Natural History Society, at Neuchatel, on the 24th of July 1837, by its President;Agassiz;Edinburgh New Philosophical Journal,1838
5. Agassiz, L., 1840a. Études sur les glaciers. Neuchâtel, Jent & Gaßmann, 346 S.+Atlas.