Titbits

Combing the non-Abelian Wu-Yang monopole made easy [pdf]
The exceptional Lie algebra G2(+2) written in a symplectic manner
N=2 d=4 supersymmetric solutions & the Newman-Penrose formalism
16+ Hpp-wave solutions in M-theory and superalgebras

Some random (but perhaps useful) notes

An introduction to the technique of factorisation of Hamiltonians in Quantum Mechanics
An extremely short introduction to WZW models