The hell bomb.

by Laurence, William Leonard, 1888-
New York : Knopf, 1951
[First edition].

Dawn over zero; the story of the atomic bomb

by Laurence, William Leonard, 1888-
Westport, Conn., Greenwood Press 1972
2d ed., enl.

Dawn over zero; the story of the atomic bomb

by Laurence, William Leonard, 1888-
New York, A.A. Knopf, 1946

Dawn over zero : the story of the atomic bomb /

by Laurence, William Leonard, 1888-
New York : Alfred A. Knopf, 1953
2d ed. enlarged.

We are not helpless. How we can defend ourselves against atomic weapons.

by Laurence, William Leonard, 1888-
[New York, 1950

The hell bomb.

by Laurence, William Leonard, 1888-
New York, Knopf, 1951
[1st ed.]

Men and atoms; the discovery, the uses, and the future of atomic energy.

by Laurence, William Leonard, 1888-
New York, Simon and Schuster, 1959