1991
769 issues, alphabetical by title
PLPlayboyPlayboy #V38N10 (1991-October)
- PLPlayboy
Playboy #V38N11 (1991-November)
- PLPlayboy
Playboy #V38N12 (1991-December)
- PLPlaygirl
Playgirl #V18N09 (1991-January)
- PLPlaygirl
Playgirl #V18N10 (1991-February)
- PLPlaygirl
Playgirl #V18N11 (1991-March)
- PLPlaygirl
Playgirl #V18N12 (1991-April)
- PLPlaygirl
Playgirl #V18N13 (1991-May)
- PLPlaygirl
Playgirl #V19N01 (1991-June)
- PLPlaygirl
Playgirl #V19N02 (1991-July)
- PLPlaygirl
Playgirl #V19N03 (1991-August)
- PLPlaygirl
Playgirl #V19N04 (1991-September)
- PLPlaygirl
Playgirl #V19N05 (1991-October)
- PLPlaygirl
Playgirl #V19N06 (1991-November)
- PLPlaygirl
Playgirl #V19N07 (1991-December)
- PLPlaygirl
Playgirl #V19N08 (1991)
- PRProbe
Probe #N84 (1991-August)
- PRProtostellar
Protostellar #N01 (1991)
- PRProtostellar
Protostellar #N02 (1991)
- PUPulp Collector
Pulp Collector #V05N03 (1991)
- PUPulp Collector
Pulp Collector #V05N04 (1991)
- PUPulp Collector
Pulp Collector #V06N01 (1991)
- PUPulp Review
Pulp Review #V01N01 (1991-December)
- PUPulp Vault
Pulp Vault #N08 (1991-January)
- PUPulp Vault
Pulp Vault #N09 (1991-October)
- PUPulpdom
Pulpdom #N226 (1991-January)
- PUPulpdom
Pulpdom #N227 (1991-February)
- PUPulpdom
Pulpdom #N228 (1991-March)
- PUPulpdom
Pulpdom #N229/230 (1991-April)
- PUPulpdom
Pulpdom #N231/232 (1991-June)
- PUPulpdom
Pulpdom #N233/234 (1991-August)
- PUPulpdom
Pulpdom #N235/236 (1991-October)
- PUPulphouse: A Fiction Magazine
Pulphouse: A Fiction Magazine #V01N00 (1991-March)
- PUPulphouse: A Fiction Magazine
Pulphouse: A Fiction Magazine #V01N01 (1991-June)
- PUPulphouse: A Fiction Magazine
Pulphouse: A Fiction Magazine #V01N02 (1991-July)
- PUPulphouse: A Fiction Magazine
Pulphouse: A Fiction Magazine #V01N03 (1991-July)
- PUPulphouse: A Fiction Magazine
Pulphouse: A Fiction Magazine #V01N04 (1991-August)
- PUPulphouse: A Fiction Magazine
Pulphouse: A Fiction Magazine #V01N05 (1991-September)
- PUPulphouse: A Fiction Magazine
Pulphouse: A Fiction Magazine #V01N06 (1991-October)
- PUPulphouse: A Fiction Magazine
Pulphouse: A Fiction Magazine #V01N07 (1991-November)
- PUPulphouse: A Fiction Magazine
Pulphouse: A Fiction Magazine #V01N08 (1991-December)
- PUPulphouse: The Hardback Magazine
Pulphouse: The Hardback Magazine #N10 (1991)
- PUPulphouse: The Hardback Magazine
Pulphouse: The Hardback Magazine #N11 (1991)
- QUQuanta
Quanta #N08 (1991-February)
- QUQuanta
Quanta #N09 (1991-May)
- QUQuanta
Quanta #N10 (1991-July)
- QUQuanta
Quanta #V03N04 (1991-October)
- QUQuanta
Quanta #V03N05 (1991-December)
- R.R.E.M.
R.E.M. #N01 (1991)
- RERed Book Magazine
Red Book Magazine #V176N03 (1991-January)
- RERed Book Magazine
Red Book Magazine #V176N04 (1991-February)
- RERed Book Magazine
Red Book Magazine #V176N05 (1991-March)
- RERed Book Magazine
Red Book Magazine #V176N06 (1991-April)
- RERed Book Magazine
Red Book Magazine #V177N01 (1991-May)
- RERed Book Magazine
Red Book Magazine #V177N02 (1991-June)
- RERed Book Magazine
Red Book Magazine #V177N03 (1991-July)
- RERed Book Magazine
Red Book Magazine #V177N04 (1991-August)
- RERed Book Magazine
Red Book Magazine #V177N05 (1991-September)
- RERed Book Magazine
Red Book Magazine #V177N06 (1991-October)
- RERed Book Magazine
Red Book Magazine #V178N01 (1991-November)
- RERed Book Magazine
Red Book Magazine #V178N02 (1991-December)
- RORobert E. Howard's Fight Magazine
Robert E. Howard's Fight Magazine #N03 (1991-September)
- THThe Sasquatch Have Their Ways
The Sasquatch Have Their Ways #N01 (1991)
- SASaturday Evening Post
Saturday Evening Post #V263N01 (1991-January)
- SASaturday Evening Post
Saturday Evening Post #V263N02 (1991-March)
- SASaturday Evening Post
Saturday Evening Post #V263N03 (1991-April)
- SASaturday Evening Post
Saturday Evening Post #V263N04 (1991-May)
- SASaturday Evening Post
Saturday Evening Post #V263N05 (1991-July)
- SASaturday Evening Post
Saturday Evening Post #V263N06 (1991-September)
- SASaturday Evening Post
Saturday Evening Post #V263N07 (1991-November)
- SCScheherazade
Scheherazade #N01 (1991)
- SCScheherazade
Scheherazade #N02 (1991)
- SCScience Fiction Eye
Science Fiction Eye #N09 (1991-November)
- SCScience Fiction Eye
Science Fiction Eye #N08 (1991)
- SCScience Fiction Review/Psychotic/The Alien Critic
Science Fiction Review/Psychotic/The Alien Critic #V01N05 (1991-December)
- SCScience Fiction Review/Psychotic/The Alien Critic
Science Fiction Review/Psychotic/The Alien Critic #V01N04 (1991)
- THThe Scream Factory
The Scream Factory #N06 (1991)
- THThe Scream Factory
The Scream Factory #N07 (1991)
- THThe Scream Factory
The Scream Factory #N08 (1991)
- THThe Sherlock Holmes Gazette / Sherlock
The Sherlock Holmes Gazette / Sherlock #N01 (1991-May)
- THThe Sherlock Holmes Gazette / Sherlock
The Sherlock Holmes Gazette / Sherlock #N02 (1991-August)
- THThe Sherlock Holmes Gazette / Sherlock
The Sherlock Holmes Gazette / Sherlock #N03 (1991)
- SKSkeleton Crew
Skeleton Crew 1991-January
- SKSkeleton Crew
Skeleton Crew 1991-February
- SKSkeleton Crew
Skeleton Crew 1991-March
- SKSkeleton Crew
Skeleton Crew 1991-April
- SKSkinned Alive
Skinned Alive #N03 (1991-July)
- SKSkinned Alive
Skinned Alive #N01 (1991)
- SKSkinned Alive
Skinned Alive #N02 (1991)
- SPSpace and Time
Space and Time #N79 (1991)
- SPSpicy Adult Stories
Spicy Adult Stories #N01 (1991)
- SPSpicy Adult Stories
Spicy Adult Stories #N02 (1991)
- SPSpicy Adult Stories
Spicy Adult Stories #N03 (1991)
- SPSpicy Adult Stories
Spicy Adult Stories #N04 (1991)
- SPSpicy Armadillo Stories
Spicy Armadillo Stories #N04 (1991-January)
- SPSpicy Armadillo Stories
Spicy Armadillo Stories #N05 (1991-April)
- SPSpicy Armadillo Stories
Spicy Armadillo Stories #N06 (1991-October)
- STStar Trek: The Next Generation
Star Trek: The Next Generation #V13 (1991-February)
- STStar Trek: The Next Generation
Star Trek: The Next Generation #V14 (1991-April)
- STStar Trek: The Next Generation
Star Trek: The Next Generation #V15 (1991-June)