Knox, Calvin M.

The plot against earth by Calvin M Knox ( Book )
2 editions published in 1959 in English and held by 7 libraries worldwide

One of our asteroids is missing by Calvin M Knox ( Book )
1 edition published in 1964 in English and held by 7 libraries worldwide

Verschwörung gegen die Erde Science-Fiction-Roman by Calvin Marc Knox ( Book )
1 edition published in 1975 in German and held by 2 libraries worldwide

Complot contre la terre by Calvin M Knox ( Book )
in French and held by 1 library worldwide

Verschwörung gegen die Erde = The Plot against earth by Calvin Marc Knox ( Book )
1 edition published in 1960 in German and held by 1 library worldwide