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