Below are articles (authors and links) on various aspects of the quantum theory, currently online in The Stanford Encyclopedia of Philosophy

Action at a Distance in Quantum Mechanics.  Joseph Berkovitz
http://plato.stanford.edu/entries/qm-action-distance/

Bell's Theorem.  Abner Shimony
http://plato.stanford.edu/entries/bell-theorem/

Bohmian Mechanics.  Sheldon Goldstein
http://plato.stanford.edu/entries/qm-bohm/

Collapse Theories. Giancarlo Ghiradi
http://plato.stanford.edu/entries/qm-collapse/

Copenhagen Interpretation of Quantum Mechanics.  Jan Faye
http://plato.stanford.edu/entries/qm-copenhagen/

The Einstein-Podolsky-Rosen Argument in Quantum Theory.  Arthur Fine
http://plato.stanford.edu/entries/qt-epr/

Everett's Relative-State Formulation of Quantum Mechanics.  Jeffrey Barrett
http://plato.stanford.edu/entries/qm-everett/

Identity and Individuality in Quantum Theory.  Steven French
http://plato.stanford.edu/entries/qt-idind/

The Kochen-Specker Theorem.  Carsten Held
http://plato.stanford.edu/entries/kochen-specker/

Many-Worlds Interpretation of Quantum Mechanics.  Lev Vaidman
http://plato.stanford.edu/entries/qm-manyworlds/

Measurement in Quantum Theory.  Henry Krips
http://plato.stanford.edu/entries/qt-measurement/

Modal Interpretations of Quantum Mechanics.  Michael Dickson and Dennis Dieks
http://plato.stanford.edu/entries/qm-modal/

Quantum Approaches to Consciousness.  Harald Atmanspacher
http://plato.stanford.edu/entries/qt-consciousness/

Quantum Computing.  Amit Hagar
http://plato.stanford.edu/entries/qt-quantcomp/

Quantum Entanglement and Information.  Jeffrey Bub
http://plato.stanford.edu/entries/qt-entangle/

Quantum Field Theory.  Meinard Kuhlmann
http://plato.stanford.edu/entries/quantum-field-theory/

Quantum Gravity.  Steven Weinstein
http://plato.stanford.edu/entries/quantum-gravity/

Quantum Logic and Probability Theory.  Alexander Wilce
http://plato.stanford.edu/entries/qt-quantlog/

Quantum Mechanics.  Jenann Ismael
http://plato.stanford.edu/entries/qm/

Quantum Theory: von Neumann vs. Dirac.  Fred Kronz
http://plato.stanford.edu/entries/qt-nvd/

Relational Quantum Mechanics.  Federico Laudisa and Carlo Rovelli
http://plato.stanford.edu/entries/qm-relational/

The Role of Decoherence in Quantum Mechanics.  Guido Bacciagaluppi
http://plato.stanford.edu/entries/qm-decoherence/