Two geometrical memoirs on the general properties of cones of the second degree, and on the spherical conics

The geometrical work of Girard Desargues

Gérard Desargues

Quasi-static electric field build-up between two spherical conductors

K. S Yee

Quasi-static electric field build-up between two spherical conductors

K. S. Yee

Involutions complexes et vecteurs sphériques associés pour les groupes de Lie nilpotents réels

Bernard Magneron

The Universe of Conics

Georg Glaeser

Descartes and the hyperbolic quest

D. Graham Burnett

Mémoire de géométrie sur les propriétés générales des coniqes sphériques

Michel Chasles

Hemisphaerivm dissectvm opvs geometricvm

Richard White

Proof of a theorem in conics

Robert Franklin Muirhead