External links
Quantum mechanics
at Wikipedia's sister projects
Definitions from Wiktionary
Media from Commons
News from Wikinews
Quotations from Wikiquote
Texts from Wikisource
Textbooks from Wikibooks
Resources from Wikiversity
J. O'Connor and E. F. Robertson: A history of quantum mechanics.
Introduction to Quantum Theory at Quantiki.
Quantum Physics Made Relatively Simple: three video lectures by Hans Bethe
Course material
Quantum Cook Book and PHYS 201: Fundamentals of Physics II by Ramamurti Shankar, Yale OpenCourseware
The Modern Revolution in Physics – an online textbook.
MIT OpenCourseWare: Chemistry and Physics. See 8.04, 8.05 and 8.06
5½ Examples in Quantum Mechanics
Imperial College Quantum Mechanics Course.
Philosophy
Ismael, Jenann. "Quantum Mechanics". In Zalta, Edward N. (ed.). Stanford Encyclopedia of Philosophy.
Krips, Henry. "Measurement in Quantum Theory". In Zalta, Edward N. (ed.). Stanford Encyclopedia of Philosophy.