1 - Gesammelte Abhandlungen. Band I
Siegel, Carl Ludwig (1896-1981)   /   Chandrasekharan, Komaravolu (1920-....) (Ed.)   /   Maass, Hans (1911-1992) (Ed.)

Cote : [30 SIE 66-1]

2 - Word problems : Decision problems and the Burnside problem in group theory
Boone, William Werner (1920-1983) (Ed.)   /   Cannonito Frank Benjamin (Ed.)   /   Lyndon, Roger Conant (1917-1988) (Ed.)

Cote : [20 BOO 73]

3 - Word problems II : the Oxford book
Adian, Sergueï I. (1931-....) (Ed.)   /   Higman, Graham (1917-) (Ed.)   /   Boone, William Werner (1920-1983) (Ed.)

Cote : [20 ADI 76]