Lie Algebra Cohomology and the Resolution of Certain Harish-Chandra Modules. Joseph F. Johnson — 1984 Mathematische Annalen
Stable base change C / R of certain derived functor modules. Joseph F. Johnson — 1990 Mathematische Annalen
Endoscopic groups and packets of non-tempered representations Jeffrey Adams; Joseph F. Johnson — 1987 Compositio Mathematica