The Mod 2 Cohomology Rings of Extra-special 2-groups and the Spinor Groups. Daniel QUILLEN — 1971 Mathematische Annalen
Ko for nonunital rings and Morita invariance. Daniel Quillen — 1996 Journal für die reine und angewandte Mathematik
Cyclic homology and the Lie algebra homology of matrices. Daniel Quillen; J.-L. Loday — 1984 Commentarii mathematici Helvetici
An Application of Simplicial Profinite Groups. Daniel G. Quillen — 1969 Commentarii mathematici Helvetici