Niles Johnson : The Klein Quartic
Klein quartic - Wikipedia
Rotations of Klein's quartic – neverendingbooks
Miscellany
PDF] Lengths of Geodesics on Klein's Quartic Curve
Klein's Quartic
The Klein Quartic by Bram Petri, University of Paris 6 Sorbonne.
Klein's quartic surface – The Inner Frame
The Klein quartic
Klein's Quartic Curve