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  * Adventures of Oat Willie [[Oat Willie 1]] (Austintatious 1987) 2.00
  * [[Obscure 1|Obscure #1]] (Mad Dog/Ground Zero Publication, March 1984) 
  * [[Obscure 1 1/2|Obscure #1 1/2]] (, Summer 1985) $2.00 
  * "obscure book 'o' fun" [[Obscure Fun Book 1|Obscure Fun Book #1]] I WANT MY MX-TV! (1984) .50
  * [[Obscure Fun Book 2|Obscure Fun Book #2]] OOGA BOOGA-- (1984) .50
  * [[Obscure Fun Book 3|Obscure Fun Book #3]] Obscure Hot Shot! (1984) .50
  * [[Obscure Fun Book 4|Obscure Fun Book #4]] ooga-booga-ooga-booba-,(etc., etc.) (1984) .50
  * [[Obscure Fun Book 5|Obscure Fun Book #5]] I WANT MY MX-TV! (1984) .50
  * "OBSCURE FNBK 6" [[Obscure Fun Book 6|Obscure Fun Book #6]] toxo- -rama (1984) .50
  * "FNBK #7" [[Obscure Fun Book 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|One]] (Pacific Comics, July 1977) $1.00
  * [[One Farts]] (Cannum 1973)
  * [[One-Fisted Tales 1|One-Fisted Tales #1]] (Slave Labor) $2.50
  * [[One-Fisted Tales 2|One-Fisted Tales #2]] (Slave Labor) $2.50 
  * [[One-Fisted Tales 3|One-Fisted Tales #3]] (Slave Labor) $2.50
  * [[One-Fisted Tales 4|One-Fisted Tales #4]] (Slave Labor) $2.50
  * [[One-Fisted Tales 5|One-Fisted Tales #5]] (Slave Labor)
  * [[One-Fisted Tales 6|One-Fisted Tales #6]] (Slave Labor)
  * [[One-Fisted Tales 7|One-Fisted Tales #7]] (Slave Labor)
  * [[One-Fisted Tales 8|One-Fisted Tales #8]] (Slave Labor)
  * [[One-Fisted Tales 9|One-Fisted Tales #9]] (Slave Labor)
  * [[One-Fisted Tales 10|One-Fisted Tales #10]] (Slave Labor)
  * [[One-Fisted Tales 11|One-Fisted Tales #11]] (Slave Labor, Aug. 1994) $2.95
  * [[One Old Oxford Ox]] (Bellerophon Book 1973) 1.95
  * [JKg.140] [[Oracle|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 #1]] (Orb Productions Ltd., 197?) $ 
  * [JKg.142] [[Orb 2|Orb #2]] (Orb Productions Ltd., 197?) $
  * [JKg.143] [[Orb 3|Orb #3]] (Orb Productions Ltd., 197?) $
  * [JKg.144] [[Orb 4|Orb #4]] (Orb Productions Ltd., 197?) $
  * [JKg.145] [[Orb 5|Orb #5]] (Orb Productions Ltd., Jan./Feb. 1976) $1.00
  * [JKg.146] [[Orb 6|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