Elementary construction of perverse sheaves. R. MacPherson; K. Vilonen — 1986 Inventiones mathematicae
Perverse sheaves with singularities along the curve Yn = Xm. R. MacPherson; K. Vilonen — 1988 Commentarii mathematici Helvetici
Lefschetz fixed point theorem for intersection homology. R. MacPherson; Mark Goresky — 1985 Commentarii mathematici Helvetici