London (Ancient And Modern) From The Sanitary And Medical Point Of View By: George Vivian Poore

London's Underworld By: Thomas Holmes

Lonesome Hearts By: Russell R. Winterbotham

Long Ago, Far Away By: Murray Leinster

Longevity By: Therese Windser

Looking Backward 2000-1887 By: Edward Bellamy

Loot of the Void By: Edwin K. Sloat

Lords of the Stratosphere By: Arthur J. Burks

Lost in the Future By: John Victor Peterson

Lost in Translation By: Laurence M. Janifer

Louis Agassiz as a Teacher; illustrative extracts on his method of instruction By: Lane Cooper

Louis Agassiz: His Life and Correspondence By: Louis Agassiz

Love's Meinie Three Lectures on Greek and English Birds By: John Ruskin

Love—Marriage—Birth Control Being a Speech delivered at the Church Congress at Birmingham, October, 1921 By: Bertrand Edward Dawson Dawson

Machiavelli, Volume I By: Niccolò Machiavelli

Made in Tanganyika By: Carl Richard Jacobi

Making Both Ends Meet The income and outlay of New York working girls By: Edith Wyatt

Mammals Obtained by Dr. Curt von Wedel from the Barrier Beach of Tamaulipas, Mexico By: E. Raymond (Eugene Raymond) Hall

Man in the Iron Mask (an Essay) By: Alexandre Dumas

Man Made By: Albert Teichner

Man of Genius By: Cesare Lombroso

Manhood Perfectly Restored Prof. Jean Civiale's Soluble Urethral Crayons as a Quick, Painless, and Certain Cure for Impotence, Etc. By: Civiale Remedial Agency

Mankind in the Making By: H. G. Wells

Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. By: Alexander Miles

Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 By: Gary N. (Gary Nathan) Calkins

Marion Harland's Complete Etiquette By: Marion Harland

Marriage and Love By: Emma Goldman

Marriage Enrichment Retreats Story of a Quaker Project By: D. R. (David Robert) Mace

Mars and Its Canals By: Percival Lowell

Martians Never Die By: Lucius Daniel

Martyrs of Science, or, the Lives of Galileo, Tycho Brahe, and Kepler By: David Brewster

Marvels of Scientific Invention By: Thomas W. Corbin