Ad Astra

All Wheels, Gears and Cogs

Case of the Comic Killer

The Curse of the Unborn Living Dead

CWACC Strikes Again

Death at 60,000

Death in Mexico

The Defensive Bomber

A Dog and His Boy

The Ethical Engineer

The Fourth Law of Robotics

A Fragment of Manuscript

Fuzz-Head

The Gods Themselves Throw Incense

Hitch Hiker

In the Beginning

The Last Train

A Letter from the Pope
(with Tom Shippey)

Luncheon in Budapest

The Man from R.O.B.O.T.
(A novelette which was expanded (?) and included in The Men from P.I.G. and R.O.B.O.T.)

A Matter of Timing

The Misplaced Battleship

Moon Sport

Ms. Found in a Bottle Washed Up On the Sands of Time

Navy Day

Ni Venos, Doktoro Zamenhof, Ni Venos!

Open All Doors
(with Hubert Pritchard)

The Outcast

Pass the Book, or, An Irish TV Report on the Origin of Modern Science Fiction

The Return of the Stainless Steel Rat

The Robots Strike

Rock Pilot

Run from the Fire

Samson in the Temple of Science

The Stainless Steel Rat
(Original short story)

The Stainless Steel Rat Wants You
(Original novelette which was expanded and became the novel The Stainless Steel Rat Wants You)

The Starsloggers
(A 'complete short novel' which was expanded into Bill, the Galactic Hero)

Strangers

Terror in Tivoli

They're Playing Our Song

Tragedy in Tibet

The View from the Top of the Tower

The Voice of the CWACC

We Ate the Whole Thing
(Collected in British editions of the The Best of Harry Harrison only?)

Web of the Worlds
(with Katherine MacLean) (vt. "The Web of the Norns")

The Whatever-I-Type-Is-True Machine
(with Barry N. Malzberg)

The Wicked Flee

World in the Balance

The World Otalmi Made

The Year 2000 in Birmingham