Biblio
1923
“A Medical Utopia” In The Hospital and Health Review . Vol. 2.21., 1923.
Memories of the Future; Being Memoirs of the years 1915-1972. Written in the year of Grace, 1988, by Opal, Lady Porstock. London: Methuen, 1923.
A Modest Proposal to the Public of Eutopia. Being both a humble tribute to one of the Immortals and a tentative contribution towards a remedy for our present distresses. London: C. North, The Blackheath Press, 1923.
Mr. Podd. New York: Macmillan, 1923.
My Wondrous Dream. New York: Frank P. Ball, 1923.
1924
The Man Who Mastered Time In Argosy-All-Story Weekly (New York) . Vol. 161.4 - 162.2 ., 1924.
The Melody from Mars. New York: Authors' International Pub. Co, 1924.
A Message from "Mars" including The "Martians" Plan for World Peace and Permanent Prosperity via a New Monetary System. Providence, RI: The Martian Pub. Co, 1924.
1925
The Mighty Heart; A Survey of England As It Is and A Vision of What It Might Be. London: Watts & Co, 1925.
Murderers' Island. London: Methuen, 1925.
1926
Man's World. London: Chatto and Windus, 1926.
A Message to Thee. [Johannesburg, South Africa]: [Radford, Alington], 1926.
Midas or The United States and the Future. London: Kegan Paul, Trench, Trubner, 1926.
1927
“The Machine Man of Ardathia” In Amazing Stories. Vol. 2.8., 1927.
The Man Who Would Save the World. London: Longmans, Green and Co, 1927.
The Messiah. A Problem. London: Arthur H. Stockwell, 1927.
The Millennium. Oxford, Eng.: Basil Blackwell, 1927.
1928
The Mountain of Gold. London: Hurst & Blackett, 1928.
"Mr. Lorimer and Me" In The Nation (New York). Vol. 127.3290 ., 1928.
"My Private Utopia" In The Nation (New York). Vol. 127.3288 ., 1928.
1929
"Men With Wings" In Air Wonder Stories . Vol. 1.1., 1929.
"Mernos" In Amazing Stories (New York). Vol. 3.11., 1929.
The Metropolis of Tomorrow. New York: Ives Washburn, 1929.
"The Moon Woman: A Tale of the Future" In Amazing Stories (Jamaica, NY). Vol. 4.8 ., 1929.