The Idea of Phenomenology
Edmund Husserl
Ideas Pertaining to a Pure Phenomenology and to a Phenomenological ...
Cartesian Meditations
Husserl, shorter works
Ideas: General Intorduction to Pure Phenomenology
Logic and General Theory of Science
The Phenomenology of Internal Time-Consciousness
Logical Investigations, Volume 1
The Crisis of European Sciences and Transcendental Phenomenology