James Gifford * Anvil Press * Robert A. Heinlein
Legendary Science Fiction: Robert A. Heinlein
Robert Heinlein Remembered, by L. Neil Smith
Linköping Science Fiction Archive: Heinlein, Robert A
Heinlein material in other languages:
Die Robert-A.-Heinlein-Seite (German site)
La Page de Robert A. Heinlein (French Site)