Roy A. Swanson
发表
Boris Jeremić,
Mark R. Lankton,
Stein Sture,
1998
.
Knut Stamnes,
R. A. Swanson,
Roy A. Swanson,
1981
.
Mark R. Lankton,
Stein Sture,
Nicholas C. Costes,
2000
.