References
Jörg Liesen
Hermann Grassmann's theory of linear transformations
2011
in: From Past to Future: Graßmann's Work in Context, Dordrecht : Springer
Description of the life of Hermann Grassmann by his son Justus Grassmann, probably written shortly after the death of his father, 1877
From Past to Future: Graßmann's Work in Context: Graßmann Bicentennial Conference, September 2009
2011
with Russ Steve (ed)
Dordrecht, Springer