The human worth of rigorous thinking
€50
Search results for “morality”
Astronomy, mathematics, physics and chemistry before the twentieth century remade them.
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Evolution and ethics
€25
Constructive conscious control of the individual
€35
Nature's harmonic unity
€30
Raum und Zeit in der gegenwärtigen Physik
€55
On mathematics
€95
Concerning the nature of things
€20
Elementary treatise on natural philosophy
€40
A history of mathematics
€45
The environment of early Christianity
€75
Old English
€105
Étude sur l'art de parler en public
€45
Race questions, provincialism, and other American problems
€80
The common sense of the exact sciences
€35
A history of physics in its elementary branches
€65
Chemistry in the service of man
€75
The astronomical knowledge of the Maori
€20
Les races et l'histoire
€20
Over de grondslagen der wiskunde
€60
Man's place in the universe
€85
Astronomy in a nutshell
€95
Regulae ad directionem ingenii
€85
Other Worlds
€35
A treatise on astromony
€55
Organic micropollutants in the aquatic environment
€60
New Lands
€35
Astronomy with the naked eye
€45
Other worlds than ours
€50
The surface-history of the earth
€75
Chemistry of familiar things
€45
A history of astronomy
€25
The chemistry of plant and animal life
€20
Fundamentals of chemistry
€20
Astronomy for everybody
€45
Philosophy of physics
€30
The chemistry of the radio-elements
€30
The pre-Socratic use of [phychē] as a term for the principle of motion
€75
Health, strength & power
€30
The integration of functions of a single variable
€35
Praktikum der klinischen, chemischen, mikroskopischen und bakteriologischen Untersuchungsmethoden
€35
Outlines of the earth's history
€30
Curiosities of the Sky
€50
The absolute relations of time and space
€55
Symbolic Logic
€80
The story of the heavens
€15
Physical diagnosis
€40
A course of modern analysis
€75
The Riddle of the Rhine
€15
The principles of mathematics
€80
Collected essays and reviews
€15
The algebraic theory of modular systems
€135
On the study and difficulties of mathematics
€60
Vie de Pasteur
€35
Symbolic Logic, Part I, Elementary
€25
A text-book of physics
€35
A course of instruction in the qualitative chemical analysis of inorganic substances
€20
Einstein's theory of relativity
€25
A treatise on chemistry
€45
Kings dethroned
€35
The metaphysical foundations of modern physical science
€40