Robert A. Heinlein

Williamson, J. Youth against space.

Samuelson, D. N. Frontiers of the future.

Gaar, A. C. The human as machine analog.

Plank, R. Omnipotent cannibals in Stranger in a strange land.

Sarti, R. Variations on a theme: human sexuality in the work of Robert A. Heinlein.

Smith, P. E., II. The evolution of politics and the politics of evolution.

Tucker, F. H. Major political and social elements in Heinlein's fiction.

Letson, R. The returns of Lazarus Long.

Rogers, I. A. Robert Heinlein: folklorist of outer space.