Haldeman, Joe,
--Time Piece, #149, July-August, 1970.
Hall, Bram,
--The Canals of Santa Claus, #133, December, 1968. (author's first publication)
Hall, Frances T.,
--A as in Android, August, 1964.
Hamm, T. D.,
--The Last Supper, September, 1952.
Harding, Lee,
--Spaceman, #147, April, 1970. (novelette)
--The Communication Machine, #149, July-August, 1970.
--The Immortal, #152, January-February, 1971.
Harmon, Jim, (James Judson Harmon)
--The Upside-Down Captain, March, 1960. (novelette)
--The Last Trespasser, July, 1960. (novelette)
--Mindsnake, November, 1960. (novelette)
--The Last Place on Earth, January, 1962. (novelette)
--Dangerous Quarry, March, 1962.
--The Expendables, May, 1962.
--The Big Headache, September, 1962. (novelette)
Harris, William,
--Transient, September, 1962.
Harrison, Harry, (1925- )
--Navy Day, January, 1954. (short short)
--Or Battle's Sound, #131, October, 1968. (novelette)
--Praiseworthy Saur, #135, February, 1969. (aka If)
--By the Falls, January, 1970.
--The Stainless Steel Rat's Return, March-April, 1972. (novelette)
Hartzell, H. A.,
--Death and Taxes, May, 1962. (novelette)
Heiner, Alvin,
--The Stowaway, #1, March, 1952.
--The Revealing Pattern, May, 1952.
Heinlein, Robert A., (1907-1988)
--Podkayne of Mars (Part 1), November, 1962.
--Podkayne of Mars (Part 2), January, 1963.
--Podkayne of Mars (Conclusion), March, 1963.
--Farnham's Freehold (Part 1), June, 1964.
--Farnham's Freehold (Part 2), August, 1964.
--Farnham's Freehold (Conclusion), October, 1964.
--The Moon Is a Harsh Mistress (Part 1), December, 1965.
--The Moon Is a Harsh Mistress (Part 2), February, 1966.
--The Moon Is a Harsh Mistress (Conclusion), April, 1966.
Henig, Stanley,
--see Arkawy, Norman, and Stanley Henig
Herbert, Frank,
--Egg and Ashes, November, 1960.
--The Mind Bomb, October, 1969. (novelette) (aka The Being Machine)
--Whipping Star (Part 1), #145, January-February, 1970.
--Whipping Star (Part 2), #146, March, 1970.
--Whipping Star (Conclusion), #147, April, 1970.
Hernhunter, Albert,
--The Smiler, July, 1952.
Hetschel, Dick,
--First Stage: Moon, December, 1954.
Hill, Arthur G.,
--The Terrible Answer, July, 1952.
Holden, Fox B.,
--A Gift for Terra, September, 1954.
Hollis, H. H.,
--Cybernia, #104, July, 1966. (novelette)
Horne, Andersen,
--The Day of the Dog, June, 1958.
Hoskins, Phillip,
--Feet of Clay, February, 1958.
Howard, Hayden,
--Murder Beneath the Polar Ice, July, 1960. (novelette)
--Gremmie's Reef, October, 1964. (novelette)
--To Grab Power, #152, January-February, 1971.
Huber, Helen,
--I'll Kill You Tomorrow, November, 1953.
Hudson, Jeffrey S., and Isaac Asimov,
--Half-Baked Publisher's Delight, #173, July-August, 1974. (Hudson's first publication)
Hughes, Zack,
--The Book of Rack the Healer (Part I), #161, July-August, 1972.
--The Book of Rack the Healer (Conclusion), #162, September-October, 1972.
Humphrey, R. V.,
--The Taste of Money, #122, January, 1968. (novelette)
Hunter, Evan,
--Malice in Wonderland, January, 1954. (short novel)
Hunter, Gene,
--Field Trip, May, 1953.
Hyde, Gavin,
--The Contest, May, 1953.