John Duffy
Issues
723
Series
342
Active
1948-2025
As Letterer (342 series)
Dark Shadows
Western - 34 issues
Four Color
Dell - 29 issues
Adventures of the Fly
Archie - 15 issues
Wonder Woman
DC - 14 issues
Creepy Worlds
Alan Class - 14 issues
The Outer Limits
Dell - 12 issues
Adventures of the Jaguar
Archie - 12 issues
G.I. Combat
DC - 9 issues
Secrets of the Unknown
Alan Class - 9 issues
Amazing Stories of Suspense
Alan Class - 9 issues
The Mighty World of Marvel
Marvel UK - 9 issues
Boris Karloff Tales of Mystery
Western - 9 issues
The Man from U.N.C.L.E.
Western - 9 issues
Astounding Stories
Alan Class - 7 issues
Yosemite Sam
Western - 7 issues
Grimm's Ghost Stories
Western - 7 issues
World's Finest Comics
DC - 7 issues
Metal Men
DC - 6 issues
Journey into Mystery
Marvel - 6 issues
Space Man
Dell - 6 issues
Authentic Police Cases
St. John - 6 issues
Spider-Man Collectible Series
Marvel - 5 issues
House of Secrets
DC - 5 issues
My Love
Marvel - 5 issues
Marvel Tales
Marvel - 5 issues
Ripley's Believe It or Not!
Western - 5 issues
Love Romances
Marvel - 5 issues
Sinister Tales
Alan Class - 5 issues
Adventures into Darkness
Pines - 5 issues
Romantic Confessions
Hillman - 5 issues
Dead-Eye Western Comics
Hillman - 5 issues
Robin Hood
Magazine Enterprises - 4 issues
Love Experiences
Ace Magazines [1940s-1950s] - 4 issues
Young Romance
DC - 4 issues
Secret Hearts
DC - 4 issues
The Hawk
St. John - 4 issues
Strange Tales
Marvel - 4 issues
Eerie
Warren - 4 issues
Star Spangled War Stories
DC - 4 issues
The Amazing Spider-Man
Marvel - 3 issues
Red Mask
Magazine Enterprises - 3 issues
House of Mystery
DC - 3 issues
The Complete Fantastic Four
Marvel UK - 3 issues
Jackie Gleason
St. John - 3 issues
Fear
Marvel - 3 issues
Adventure Comics
DC - 3 issues
Heart Throbs
DC - 3 issues
Marvel Masterworks
Marvel - 3 issues
Mod Wheels
Western - 3 issues
The Adventures of Robin Hood
Magazine Enterprises - 3 issues
Kona
Dell - 3 issues
Gabby Hayes
Charlton - 3 issues
Amazing Adventures
Ziff-Davis - 3 issues
Gwandanaland Comics
Gwandanaland Comics - 3 issues
Battle Stories
Fawcett - 3 issues
Spider-Man Classics
Marvel - 3 issues
Out of the Shadows
Pines - 3 issues
Tales to Astonish
Marvel - 3 issues
The Amazing Spider-Man Omnibus
Marvel - 3 issues
Youthful Romances
Ribage Publishing - 3 issues
Spellbound
L. Miller & Son - 3 issues
Spy Cases
Marvel - 2 issues
The Marvel Saga the Official History of the Marvel Universe
Marvel - 2 issues
Navy Tales
Marvel - 2 issues
Adventures into the Unknown
Arnold Book Company - 2 issues
G.I. Combat
Quality Comics - 2 issues
DC Special Blue Ribbon Digest
DC - 2 issues
Dr. Anthony King, Hollywood Love Doctor
Toby - 2 issues
Uncanny Tales
Alan Class - 2 issues
Super DC Giant
DC - 2 issues
Combat
Dell - 2 issues
Beware
Trojan Magazines - 2 issues
This Is War
Pines - 2 issues
Detective Comics
DC - 2 issues
Weird Horrors
St. John - 2 issues
Teen-Age Romance
Marvel - 2 issues
Thrilling Adventure Stories
Seaboard - 2 issues
Weird War Tales
DC - 2 issues
Marvel Masterworks: Atlas Era Tales to Astonish
Marvel - 2 issues
Young Romance
Prize - 2 issues
Marvel Origins
Hachette [DE] - 2 issues
Fantastic Four
Marvel - 2 issues
Young Love
DC - 2 issues
Adventures of Young Dr. Masters
Archie - 2 issues
Marvel Collectors' Item Classics
Marvel - 2 issues
Date with Danger
Pines - 2 issues
Fightin' Marines
Charlton - 2 issues
Laugh Comics Digest / Laugh Comics Digest Magazine / Laugh Digest Magazine
Archie - 2 issues
Devilina
Seaboard - 2 issues
Strange Worlds
Marvel - 2 issues
Wulf the Barbarian
Seaboard - 2 issues
Our Fighting Forces
DC - 2 issues
Ripley's Believe It Or Not Magazine
Harvey - 2 issues
Cowboy Action
L. Miller & Son - 2 issues
Real Life Comics
Pines - 2 issues
Punch and Judy Comics
Hillman - 2 issues
Treasure Chest of Fun and Fact
George A. Pflaum - 2 issues
Planet of the Apes
Marvel UK - 2 issues
Where Monsters Dwell
Marvel - 2 issues
All Favourites, The 100-Page Comic
K. G. Murray - 2 issues
Annie Oakley
Marvel - 2 issues
Weird Thrillers
Ziff-Davis - 2 issues
Creepy
Warren - 2 issues
The Destructor
Seaboard - 2 issues
Bob Swift, Boy Sportsman
Fawcett - 2 issues
Jesse James Comics
Thorpe & Porter - 2 issues
Battle of the Planets
Western - 2 issues
Sgt. Fury
Marvel - 2 issues
Return of the Outlaw
Toby - 2 issues
Tales of Suspense
Marvel - 2 issues
Cain's Hundred
Dell - 2 issues
Patsy and Hedy
Marvel - 2 issues
Amazing Spider-Man Epic Collection
Marvel - 2 issues
Young Romance
Thorpe & Porter - 2 issues
Heart Throbs
Quality Comics - 2 issues
McHale's Navy
Dell - 2 issues
Two Gun Kid
Marvel - 2 issues
The Unexpected
DC - 2 issues
Ben Casey
Dell - 2 issues
Starstream
Western - 1 issues
DC Special
DC - 1 issues
Just Married
Charlton - 1 issues
Marvel Limited: Fantastic Firsts
Marvel - 1 issues
Operation Crossbow
Dell - 1 issues
The Brave and the Bold
DC - 1 issues
DC Finest: Aquaman: King of Atlantis
DC - 1 issues
Have Gun, Will Travel
Dell - 1 issues
The Amazing Spider-Man Annual
Marvel - 1 issues
Spider-Man: Master Plan
Marvel - 1 issues
Archie's Super Hero Comics Digest Magazine
Archie - 1 issues
Robin Hood
I. W. Publishing / Super Comics - 1 issues
The Exploits of Spider-Man
Panini UK - 1 issues
Weird Tales of the Macabre
Seaboard - 1 issues
World of Archie (Jumbo Comics) Double Digest
Archie - 1 issues
Marvel Masterworks: Captain Marvel
Marvel - 1 issues
Ramar of the Jungle
Toby - 1 issues
Black Cat Comics
Harvey - 1 issues
Green Arrow: A Celebration of 75 Years
DC - 1 issues
The Wild, Wild West
Western - 1 issues
Captain Marvel No. 25 [Marvel Legends Reprint]
Marvel - 1 issues
Teen Confessions
Charlton - 1 issues
The Phantom Stranger
National Book Store - 1 issues
Revolver
Renegade Press - 1 issues
Never Again
Charlton - 1 issues
Fantastic Four Omnibus
Marvel - 1 issues
Fantastic Four Epic Collection
Marvel - 1 issues
Captain Marvel by Jim Starlin: The Complete Collection
Marvel - 1 issues
Blackhawk
Thorpe & Porter - 1 issues
The Mammoth Book of Best Crime Comics
Running Press Book Publishers - 1 issues
Nukla
Dell - 1 issues
Naza
Dell - 1 issues
Warlock
Marvel - 1 issues
Retro Comic Reprints
Retro Comic Reprints - 1 issues
Terror Tales Album
K. G. Murray - 1 issues
Ant-Man: Larger Than Life
Marvel - 1 issues
Giant-Size Avengers
Marvel - 1 issues
Real Secrets
Ace Magazines [1940s-1950s] - 1 issues
Secrets of Sinister House
DC - 1 issues
Superadventure Annual
Atlas Publishing - 1 issues
Pow!
IPC - 1 issues
The Flash
DC - 1 issues
The Big Top
Toby - 1 issues
Heroes of the West
L. Miller & Son - 1 issues
Romantic Story
Charlton - 1 issues
The Amazing Spider-Man [Golden Book and Record Set]
Marvel - 1 issues
Crime Mysteries
Ribage Publishing - 1 issues
Spider-Man vs. the Vulture
Marvel - 1 issues
Falling in Love
DC - 1 issues
Baseball Thrills
Ziff-Davis - 1 issues
Sgt. Fury and His Howling Commandos
Marvel - 1 issues
Challengers of the Unknown
DC - 1 issues
Billy the Kid Adventure Magazine
World Distributors - 1 issues
Great Exploits
Decker - 1 issues
Targitt
Seaboard - 1 issues
All for Love
Prize - 1 issues
The Hundred Comic Monthly
K. G. Murray - 1 issues
Down with Crime
Fawcett - 1 issues
Sgt. Rock
DC - 1 issues
The Human Torch
Marvel - 1 issues
My Romantic Adventures
American Comics Group - 1 issues
Essential Avengers
Marvel - 1 issues
Komikai Micro Comics Ultimate Marvel
Spin Master - 1 issues
The Rawhide Kid
Marvel - 1 issues
Marvel Masters of Suspense: Stan Lee & Steve Ditko Omnibus
Marvel - 1 issues
Haunted Tales
K. G. Murray - 1 issues
Beware! Terror Tales
Fawcett - 1 issues
Knights of the Round Table
Pines - 1 issues
Spider-Man: Homecoming Prelude
Marvel - 1 issues
Creatures on the Loose
Marvel - 1 issues
Essential Human Torch
Marvel - 1 issues
The Human Torch
Yaffa / Page - 1 issues
Heartbeat Romances
K. G. Murray - 1 issues
PS Artbooks Presents Classic Adventure Comics
PS Artbooks - 1 issues
Az ezüstkor hősei: Fantasztikus Négyes
Frike - 1 issues
My Little Margie
Charlton - 1 issues
Gabby Hayes
Toby - 1 issues
Challengers of the Unknown by Jack Kirby
DC - 1 issues
Cheyenne
Dell - 1 issues
Mighty Marvel Masterworks: The Amazing Spider-Man
Marvel - 1 issues
Mystery Tales
Marvel - 1 issues
Essential Fantastic Four
Marvel - 1 issues
Wonder Woman: Diana Prince: Celebrating the '60s Omnibus
DC - 1 issues
Ringo Kid
Horwitz - 1 issues
Showcase Presents: Wonder Woman
DC - 1 issues
Setting the Standard: Comics by Alex Toth 1952-1954
Fantagraphics - 1 issues
Weird Mystery Tales
DC - 1 issues
Marvel Masterworks: The Amazing Spider-Man
Marvel - 1 issues
The Amazing Spider-Man
Newton Comics - 1 issues
Marvel Masterworks: The Human Torch
Marvel - 1 issues
Stoney Burke
Dell - 1 issues
Marvel Masterworks: The Invincible Iron Man
Marvel - 1 issues
Mighty Marvel Masterworks: The Fantastic Four
Marvel - 1 issues
Arrgh!
Marvel - 1 issues
The Brute
Seaboard - 1 issues
Spider-Man Annual
Marvel UK - 1 issues
Ripley's Believe It or Not! True Ghost Stories
Western - 1 issues
Wonder Woman: 80 Years of the Amazon Warrior The Deluxe Edition
DC - 1 issues
Spider-Man Pocket Book
Marvel UK - 1 issues
Son of Sinbad
St. John - 1 issues
Crypt of Horror
AC - 1 issues
Essential Marvel Saga
Marvel - 1 issues
Famous Stars
Ziff-Davis - 1 issues
Superman Presents Wonder Comic Monthly
K. G. Murray - 1 issues
Flash Gordon
Western - 1 issues
Amazing Spider-Man by JMS Ultimate Collection
Marvel - 1 issues
Marvel Visionaries: Jack Kirby
Marvel - 1 issues
The Essential Spider-Man
Marvel - 1 issues
Billy the Kid Adventure Magazine
Toby - 1 issues
Marvel's Mightiest Heroes
Hachette Partworks - 1 issues
I'm Dickens...He's Fenster
Dell - 1 issues
Dan'l Boone
Magazine Enterprises - 1 issues
Marvel Masterworks: The Fantastic Four
Marvel - 1 issues
Challengers of the Unknown by Jack Kirby
DC - 1 issues
Gorilla Man
Marvel - 1 issues
Five-Score Comic Monthly
K. G. Murray - 1 issues
Danger Is Our Business
Toby - 1 issues
Teen-Age Temptations
St. John - 1 issues
Eerie Archives
Dark Horse - 1 issues
Romantic Adventures
American Comics Group - 1 issues
Vampirella
Warren - 1 issues
Tigerman
Seaboard - 1 issues
Marvel Comics' The Fantastic Four
Pocket Books - 1 issues
The Marvel Comics Library: Spider-Man
Taschen - 1 issues
Crime Clinic
Ziff-Davis - 1 issues
Strange Tales Annual
Marvel - 1 issues
Plastic Man
DC - 1 issues
The Phantom Stranger
DC - 1 issues
The Monroes
Dell - 1 issues
Spider-Man Comics Weekly
Marvel UK - 1 issues
Green Hornet Comics
Harvey - 1 issues
A Treasury of Horses
Dell - 1 issues
Spider-Man
The Folio Society - 1 issues
The Empire Strikes Back Weekly
Marvel UK - 1 issues
Fugitives from Justice
St. John - 1 issues
King of Diamonds
Dell - 1 issues
Teen Titans: The Silver Age
DC - 1 issues
Essential Warlock
Marvel - 1 issues
The Human Torch & The Thing: Strange Tales - The Complete Collection
Marvel - 1 issues
Black Magic
Prize - 1 issues
Essential Captain Marvel
Marvel - 1 issues
Decades: Marvel in the '60s - Spider-Man Meets the Marvel Universe
Marvel - 1 issues
Marvel: Five Fabulous Decades of the World's Greatest Comics
Harry N. Abrams - 1 issues
Tails of the Super-Pets
DC - 1 issues
Patsy Walker
Marvel - 1 issues
Showcase Presents: Phantom Stranger
DC - 1 issues
Luke Short's Six Gun Ranch
World Distributors - 1 issues
The Marvel No-Prize Book
Marvel - 1 issues
Batman
DC - 1 issues
Mystic
L. Miller & Son - 1 issues
Warfront
Harvey - 1 issues
Love and Romance Library
Frew Publications - 1 issues
Race for the Moon
Thorpe & Porter - 1 issues
Ensign O'Toole
Dell - 1 issues
Black Phantom
AC - 1 issues
Forces of Evil
Gredown - 1 issues
Wizard Ace Edition: The Amazing Spider-Man #3
Marvel; Wizard - 1 issues
The Grim Ghost
Seaboard - 1 issues
Clay Cody, Gunslinger
Pines - 1 issues
Girl Confessions
Marvel - 1 issues
Best Western
Marvel - 1 issues
The DC Universe by Len Wein
DC - 1 issues
Soldier and Marine Comics
Charlton - 1 issues
Pin-Up Pete
Toby - 1 issues
The Bravados
Skywald - 1 issues
Tales of Evil
Seaboard - 1 issues
Wild Bill Hickok Comics
Thorpe & Porter - 1 issues
Morlock 2001
Seaboard - 1 issues
Fantastic Four #2 Facsimile Edition
Marvel - 1 issues
The Frogmen
Dell - 1 issues
Confessions of the Lovelorn
American Comics Group - 1 issues
The Life and Death of Captain Marvel
Marvel - 1 issues
The Amazing Spider-Man Masterworks
Marvel - 1 issues
Phoenix
Seaboard - 1 issues
Captain Marvel
Marvel - 1 issues
Frogman Comics
Thorpe & Porter - 1 issues
Sweetheart Diary
Charlton - 1 issues
True Believers: Fantastic Four - Skrulls
Marvel - 1 issues
Love Diary
Orbit-Wanted - 1 issues
Teen Titans
DC - 1 issues
The Flash: The Silver Age Omnibus
DC - 1 issues
Marvel Milestone Edition: The Amazing Spider-Man #3
Marvel - 1 issues
Gangsters Can't Win
D.S. Publishing - 1 issues
Fantastic Four (Penguin Classics Marvel Collection)
Penguin Random House - 1 issues
Laramie Comic Album
World Distributors - 1 issues
Kid Colt Outlaw
Marvel - 1 issues
The Sub-Mariner
Yaffa / Page - 1 issues
Judy Joins the Waves
Toby - 1 issues
Our Love Story
Marvel - 1 issues
Prize Comics Western
Prize - 1 issues
Redmask of the Rio Grande
AC - 1 issues
Voodoo
L. Miller & Son - 1 issues
Marvel Super-Heroes
Marvel - 1 issues
Five-Score Comic Monthly
K. G. Murray - 1 issues
Action Series
L. Miller & Son - 1 issues
Tales of Wells Fargo Comic Album
World Distributors - 1 issues
Fantastic Four No. 10 Facsimile Edition
Marvel - 1 issues
The True Story of Smokey Bear
Western - 1 issues
The 100 Greatest Marvels of All Time
Marvel - 1 issues
Neutro
Dell - 1 issues
G-I in Battle
Farrell - 1 issues
Marvel Masterworks: The Fantastic Four
Marvel - 1 issues
Creatures on the Loose
Yaffa / Page - 1 issues
Deadman
DC - 1 issues
The Adventures of Rex the Wonder Dog
DC - 1 issues
Love Confessions Illustrated
Magazine Management - 1 issues
Action Comics
DC - 1 issues
House of Mystery: The Bronze Age Omnibus
DC - 1 issues
Marvel Annual
IPC - 1 issues
Psycho
Skywald - 1 issues
The Life of Captain Marvel
Marvel - 1 issues
Horrific
Comic Media - 1 issues
True Love Problems and Advice Illustrated
Harvey - 1 issues
Space Man
World Distributors - 1 issues
Marvel Masterworks: Ant-Man / Giant-Man
Marvel - 1 issues
Voyage to the Deep
IDW - 1 issues
Adventure into Fear Omnibus
Marvel - 1 issues
The Witching Hour
DC - 1 issues
Terrific!
IPC - 1 issues
Going Steady
St. John - 1 issues
Amazing Ghost Stories
St. John - 1 issues
Fightin' Marines
L. Miller & Son - 1 issues
The Amazing Spider-Man (Penguin Classics Marvel Collection)
Penguin Random House - 1 issues