- Adventures of Oat Willie Oat Willie 1 (Austintatious 1987) 2.00
- Obscure #1 (Mad Dog/Ground Zero Publication, March 1984)
- Obscure #1 1/2 (, Summer 1985) $2.00
- “obscure book 'o' fun” Obscure Fun Book #1 I WANT MY MX-TV! (1984) .50
- Obscure Fun Book #2 OOGA BOOGA– (1984) .50
- Obscure Fun Book #3 Obscure Hot Shot! (1984) .50
- Obscure Fun Book #4 ooga-booga-ooga-booba-,(etc., etc.) (1984) .50
- Obscure Fun Book #5 I WANT MY MX-TV! (1984) .50
- “OBSCURE FNBK 6” Obscure Fun Book #6 toxo- -rama (1984) .50
- “FNBK #7” Obscure Fun Book #7 OBSCURE OBSCENE (Obscure Publications, 1984) $1.25
- Occult Laff Parade 1 (Kinney, Green, Deitch, Todd, Hayes, Griffin a.o. – Print Mint 1973) .50
- O.K. Comics 1 (Kitchen Sink 1972) .50
- O.K. Comics 2 (Kitchen Sink 1972) .50
- O.K. Comics Co. 1 (O.K. Comic Company 1972) .25 Tabloid
- O.K. Comics Co. 2 (O.K. Comic Company 1972) .25 Tabloid
- O.K. Comics Co. 3 (O.K. Comic Company 1972) .25 Tabloid
- O.K. Comics Co. 4 (O.K. Comic Company 1972) .25 Tabloid
- O.K. Comics Co. 5 (O.K. Comic Company 1972) .25 Tabloid
- O.K. Comics Co. 6 (O.K. Comic Company 1972) .25 Tabloid
- O.K. Comics Co. 7 (O.K. Comic Company 1973) .25 Tabloid
- O.K. Comics Co. 8 (O.K. Comic Company 1973) .25 Tabloid
- O.K. Comics Co. 9 (O.K. Comic Company 1973) .25 Tabloid
- O.K. Comics Co. 10 (O.K. Comic Company 1973) .25 Tabloid
- O.K. Comics Co. 11 (O.K. Comic Company 1973) .25 Tabloid
- O.K. Comics Co. 12 (O.K. Comic Company 1973) .25 Tabloid
- O.K. Comics Co. 13 (O.K. Comic Company 1973) .25 Tabloid
- O.K. Comics Co. 14 (O.K. Comic Company 1973) .25 Tabloid
- O.K. Comics Co. 15 (O.K. Comic Company 1973) .25 Tabloid
- O.K. Comics Co. 16 (O.K. Comic Company 1973) .25 Tabloid
- O.K. Comics Co. 17 (O.K. Comic Company 1973) .25 Tabloid
- O.K. Comics Co. 18 (O.K. Comic Company 1973) .25 Tabloid
- Old Trout Funnies 2 (Old Trout Funnies 1976)
- Old Trout Funnies 3 (Spunkie T. Marble Functions 1977)
- Omaha 00 (Kitchen Sink 1990) 2.50
- Omaha 01 (SteelDragon 1984) 1.60
- Omaha 02 (SteelDragon 1986) 1.75
- Omaha 03 (Kitchen Sink 1986) 2.00
- Omaha 04 (Kitchen Sink 1987) 2.00
- Omaha 05 (Kitchen Sink 1987) 2.00
- Omaha 06 (Kitchen Sink 1987) 2.00
- Omaha 07 (Kitchen Sink 1987) 2.00
- Omaha 08 (Kitchen Sink 1987) 2.00
- Omaha 09 (Kitchen Sink 1988) 2.00
- Omaha 10 (Kitchen Sink 1988) 2.00
- Omaha 11 (Kitchen Sink 1988) 2.00
- Omaha 12 (Kitchen Sink 1989) 2.00
- Omaha 13 (Kitchen Sink 1989) 2.00
- Omaha 14 (Kitchen Sink 1990) 2.50
- Omaha 15 (Kitchen Sink 1991) 2.50
- Omaha 16 (Kitchen Sink 1991) 2.50
- Omaha 17 (Kitchen Sink 1992) 2.50
- [JKg.139] One (Pacific Comics, July 1977) $1.00
- One Farts (Cannum 1973)
- One-Fisted Tales #1 (Slave Labor) $2.50
- One-Fisted Tales #2 (Slave Labor) $2.50
- One-Fisted Tales #3 (Slave Labor) $2.50
- One-Fisted Tales #4 (Slave Labor) $2.50
- One-Fisted Tales #5 (Slave Labor)
- One-Fisted Tales #6 (Slave Labor)
- One-Fisted Tales #7 (Slave Labor)
- One-Fisted Tales #8 (Slave Labor)
- One-Fisted Tales #9 (Slave Labor)
- One-Fisted Tales #10 (Slave Labor)
- One-Fisted Tales #11 (Slave Labor, Aug. 1994) $2.95
- One Old Oxford Ox (Bellerophon Book 1973) 1.95
- [JKg.140] Oracle (Omnibus Publishing Company, 1978) $1.25
- Oracle Comix (Thru Black Holes Comix Productions - Mitchael Roden 1980) 1.00
- Oracle Comix 2 (Thru Black Holes Comix Productions - Mitchael Roden 1981) 1.00
- [JKg.141] Orb #1 (Orb Productions Ltd., 197?) $
- [JKg.142] Orb #2 (Orb Productions Ltd., 197?) $
- [JKg.143] Orb #3 (Orb Productions Ltd., 197?) $
- [JKg.144] Orb #4 (Orb Productions Ltd., 197?) $
- [JKg.145] Orb #5 (Orb Productions Ltd., Jan./Feb. 1976) $1.00
- [JKg.146] Orb #6 (Orb Productions Ltd., March/April 1976) $1.00
- Orgasm Review 1 (Rey King 1979) 1.50
- Orgasm Review 2 (Cosmic Brian Trust - Rey King 1981) 2.00