Encyclopedias, Almanacs, Transcripts, and Maps
- The Measure of Time
- The Mechanical Philosophy: Mechanistic and Materialistic Conceptions of Life
- The Mechanics of Memory
- The Medical Influence of Rhazes
- The Medical Role of Women: Women as Patients and Practitioners
- The Medieval Castle
- The Medium and Daybreak (Journal)
- The Messenger
- The Mezazoth
- The Michelson-Morley Experiment, the Luminiferous Ether, and Precision Measurement
- The Microcosm
- The Microprosopus
- The Midiwiwin
- The Military Revolution
- The Mishna
- The Miss Lucy Westenra Society of the Undead
- The Modern Synthesis of Evolutionary Theory
- The Modern UFO Era Begins
- The Monaciello
- The Mongols Conquer an Empire, Opening Trade and Communication between East and West