| Married Life; Its Shadows and Sunshine
T. S. Arthur | |
| Married Love: A New Contribution to the Solution of Sex Difficulties
Marie Carmichael Stopes | |
| Married or single? Vol. 3 (of 3)
B. M. Croker | |
| Married or single?, Vol. 1 (of 3)
B. M. Croker | |
| Married or single?, Vol. 2 (of 3)
B. M. Croker | |
| Mars and Its Canals
Percival Lowell | |
| Mars and Its Mystery
Edward Sylvester Morse | |
| Mars Confidential
Howard Browne | |
| Mars is My Destination
Frank Belknap Long | |
| Marse Henry: An Autobiography (Volume 1)
Henry Watterson |
