Algebra in 1958

Normed Linear Spaces by Day, Mahlon Marsh

Vektoren und Matrizen by Valentiner, Siegfried

Gleichungen höheren Grades by Hasse, Helmut

Arithmetik by Fischer, Paul B.

Tabellen reduzierter positiver ternärer quadratischer Formen by Intrau, Oskar, Brandt, Heinrich