Biblio
1958
Beyond the Vanishing Point. New York: Ace Books, 1958.
Beyond the Vanishing Point. New York: Ace Books, 1958.
1924
The Man Who Mastered Time In Argosy-All-Story Weekly (New York) . Vol. 161.4 - 162.2 ., 1924.
The Man Who Mastered Time In Argosy-All-Story Weekly (New York) . Vol. 161.4 - 162.2 ., 1924.
1922
The Girl in the Golden Atom. London: Methuen, 1922.
The Girl in the Golden Atom. London: Methuen, 1922.