The Translation Planes of Order 16 that Admit Nonsolvable Collineation Groups. Norman L. Johnson — 1984 Mathematische Zeitschrift
A Class of Translation Planes of Order 3... Norman L. Johnson; Robert E. Seydel Mathematische Zeitschrift
Transitive Collineation Groups on Affine Planes. Norman L. Johnson; Michael J. Kallaher Mathematische Zeitschrift
Baer-Elation planes Vikram Jha; Norman L. Johnson — 1987 Rendiconti del Seminario Matematico della Università di Padova
The classification of subplane covered nets. Johnson, Norman L. — 1995 Bulletin of the Belgian Mathematical Society - Simon Stevin
Regular partial conical flocks. Hiramine, Yutake; Johnson, Norman L. — 1995 Bulletin of the Belgian Mathematical Society - Simon Stevin
m -parallelisms. Johnson, Norman L.; Pomareda, Rolando — 2002 International Journal of Mathematics and Mathematical Sciences
Cubic extensions of flag-transitive planes. I: Even order. Hiramine, Yutaka; Jha, Vikram; Johnson, Norman L. — 2001 International Journal of Mathematics and Mathematical Sciences