Sources

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Newspaper Articles:

Avery, Paul. "Zodiac: Portrait of the Killer"
San Francisco Chronicle, 18 October 1969

---.  "Fear rides the Yellow Bus"
San Francisco Chronicle, 21 October 1969

---.  "The Search For Zodiac's 4 Weapons"
San Francisco Chronicle, 22 October 1969

---.  "Cops No Closer on Zodiac Identity"
San Francisco Chronicle, 25 October 1969

---.  "'I've Killed Seven,' The Zodiac Claims"
San Francisco Chronicle, 12 November 1969

---.  "The Pattern of Zodiac Crimes"
San Francisco Chronicle, 12 November 1969

---.  "Zodiac 'Legally Sane'"
San Francisco Chronicle, 13 November 1969

---.  "Zodiac Sends New Letter -- Claims Ten"
San Francisco Chronicle, 22 April 1970

---.  "Zodiac Says He Killed S.F. Officer"
San Francisco Chronicle, 30 June 1970

---.  "Gilbert and Sullivan Clue to Zodiac"
San Francisco Chronicle, 12 October 1970

---. "Zodiac Link is Definite"
San Francisco Chronicle, 17 November 1970

---. "Police Confer on Zodiac Killings"
San Francisco Chronicle, 19 November 1970

---.  "Zodiac Writes Again -- '17 Dead'"
San Francisco Chronicle, 16 March 1971

---. "A Chronological Resume of the Zodiac Case"
Unpublished, 1 May 1971

---.  "Zodiac Mystery Letter -- the First Since 1971"
San Francisco Chronicle, 31 January 1974

"Badly Wounded Youth Holds Key To Gun Mystery"
Vallejo Times-Herald, 6 July 1969

Belcamino, Kristi.  "Cold Cases: Zodiac killer identity still baffles police"
Contra Costa Times, 4 March 2000

"Bizarre 'Zodiac' Murder"
San Francisco Chronicle, 20 April 1970

"The Boastful Slayer: Letter Claims Writer Killed Cabbie, 4 Others"
San Francisco Chronicle, 15 October 1969

Bodenhamer, Bob.  "Anonymous writer tells of killing Cheri Jo Bates"
Riverside Daily Enterprise, 1 December 1966

"Cabbie Slain in Presidio Hts."
San Francisco Chronicle, 28 October 1969

"Coded Clue in Murders"
San Francisco Chronicle, 2 August 1969

Crow, Aaron.  "Search for the Zodiac"
Fairfield Daily Republic, 1 August 1991

Fagen, Kevin. "Kaczynski, Zodiac Killer -- the same guy?"
San Francisco Chronicle, 14 May 1996

"FBI Checks for Clue in Slaying"
San Francisco Chronicle, 2 October 1969

Fehrnstrom, Eric. "Author Targets Harvard Lecturer in Zodiac Case"
Boston Herald, 29 October 1987

"Four experts term Zodiac letter fake"
San Francisco Examiner, 3 August 1978

Freedman, Richard.  "Zodiac victim shot 30 years ago"
Vallejo Times-Herald, 3 July 1999

Gafni, Matthias.  "Still a suspect"
Vallejo Times-Herald, 16 October 2002

Ginley, Jaqueline.  "Signs point to Vallejo man"
Vallejo Times-Herald, 1 August 1991

---.  "Brother says Jack's the Zodiac"
Vallejo Times-Herald, 1 November 1991

Hallissy, Eric.  "Man Once Suspected In 'Zodiac' Case Dies"
San Francisco Chronicle, 29 August 1992

"It's Halloween But Parents Are Urged To Keep Kiddies In"
Vallejo News-Chronicle, 31 October 1969

Hatfield, Larry.  "Author, Web site claim SFPD let Zodiac escape"
San Francisco Examiner, 10 December 1999

Jacobs, John.  "The rise and fall of a good cop"
San Francisco Examiner, 11 July 1978

Jarvis, Birney.  "Senseless slaying of a Brave Rookie Policeman"
San Francisco Chronicle, 2 January 1970

Jennings, Duffy.  "Zodiac Ends Silence - 'I Am Back With You'"
San Francisco Chronicle, 26 April 1978

---.  "Zodiac Letter Is Making the Rounds"
San Francisco Chronicle, 28 April 1978

---.  "Strange Turn in The Zodiac Case"
San Francisco Chronicle, 11 July 1978

---.  "Officials Jittery Over Latest Zodiac Puzzle"
San Francisco Chronicle, 12 July 1978

---.  "Feinstein Says Toschi's Being 'Crucified'"
San Francisco Chronicle, 15 July 1978

---.  "Gain Talks About Toschi"
San Francisco Chronicle, 18 July 1978

Kanter, Liz.  "Decades later, Zodiac killer still at large"
Fairfield Daily Republic, 28 April 1991

---.  "20 years later: Theories on the Zodiac abound"
Fairfield Daily Republic, 31 May 1991

---.  "Vallejo attorney says he'll reveal Zodiac killer next week"
Fairfield Daily Republic, 26 October 1991

---.  "Author: Brother was Zodiac"
Fairfield Daily Republic, 1 November 1991

---.  "Zodiac reveled in publicity"
Fairfield Daily Republic, 2 November 1991

Konte, Sandra.  "Our Zodiac Complex"
This World (San Francisco Chronicle), 21 December 1986

Laube, James.  "New Zodiac murders theory based on mathematics, maps"
Vallejo Times-Herald, 1 November 1981

---.  "Murders still evoke chilling memories"
Vallejo Times-Herald, 1 November 1981

"Lawmen exchange Bates, Zodiac data"
Riverside Press, 29 November 1970

Liscio, David. "Webster case takes on new twist"
Lynn Daily Evening Item, 28 November 1984

"Lover's Lane Slaying Quiz"
Vallejo Times-Herald, 25 December 1968

Lugtu-Shaddox, Rowena.  "DNA tests could reveal identity of Zodiac killer"
Fairfield Daily Republic, 22 February 2001

Lyons, Corey.  "Riverside victim's tie to Zodiac questioned"
Contra Costa Times, 3 December 2000

---.  "DNA tests to search for Zodiac case clues"
Contra Costa Times, 15 May 2001

Martin, Harry.  "Zodiac: Is He The One?"
Napa Sentinel, 29 October 1991 - 17 January 1992

Mathews, Jack.  "After six months coed's murder remains puzzle to detectives"
Riverside Press, 30 April 1967

Mazzaferro, Mark.  "Zodiac Revealed"
Vallejo Times-Herald, 18 October 1998

---.  "Zodiac information a click away"
Vallejo Times-Herald, 18 October 1998

McCockran, Robert.  "Suspect's death won't halt Zodiac investigation"
Vallejo Times-Herald, 2 September 1992

Metinko, Chris.  "Zodiac mystique lives on."
Napa Valley Register, 27 September 1999

Mezzin, Zoe.  "Here's the Zodiac"
San Francisco Examiner, 18 May 2001

---.  "Lab sifts through DNA evidence"
San Francisco Examiner, 18 May 2001

McDowell, Edwin. "Tax laws aiding arts faulted by foundation"
New York Times, 28 July 1984

McDowell, Rider. "On the Trail of the Zodiac"
This World (San Francisco Chronicle), 8 & 15 May 1994

Montgomery, John.  "Man tried to rape her, talked of slain coed"
Riverside Press, 24 November 1966

"A 'Murder Code' Broken"
San Francisco Chronicle, 9 August 1969

"Mystery Gunman Kills S.F. Officer"
San Francisco Chronicle, 20 June 1970

"Mystic Sees Zodiac Link"
Vallejo Times-Herald, 26 January 1970

"A Name in Murder Cipher"
San Francisco Chronicle, 12 August 1969

"New Clues in Lake Killing"
San Francisco Chronicle, 1 October 1969

"New puzzles further muddle Zodiac case"
San Francisco Examiner, 11 July 1978

"New Zodiac Letter -- Fears He'll Kill Again"
San Francisco Sunday Examiner & Chronicle, 28 December 1969

Nurre, Marc.  "Hunt for clues to name of Zodiac is shifted here"
Riverside Enterprise, 17 November 1970

---.  "Detectives hope to find Zodiac's handwriting in City College records"
Riverside Enterprise, 24 November 1970

"Officer Reviews Slaying Evidence"
Vallejo Times-Herald, 26 December 1968

O'Connor, John.  "Zodiac letters fake, expert assures state"
San Francisco Examiner, 30 October 1987

O'Hare, Michael. "Buckle up, or else..."
Boston Globe, 14 September 1981

"Parents Asked to Keep Kids at Home"
Vallejo News-Chronicle, 28 October 1969

Peterson, Dave.  "Killer's Sole Survivor Talks"
Vallejo News-Chronicle, 19 August 1969

---.  "S.F. Cabbie Lived To Tell About Trip With Zodiac Fare"
Vallejo News-Chronicle, 31 October 1969

---.  "Clues Point To Deaths Of 2 Teens"
Vallejo News-Chronicle, 13 November 1972

"Police may link kidnaping with case of coed murder"
Riverside Press, 7 December 1966

"Police send murder confession to state's crime experts"
Riverside Press, 1 December 1966

"Police still lack clues in murder"
Riverside City College Tiger Times, 4 November 1966

Power, Keith.  "Bay Killer's Shrinking Timetable"
San Francisco Chronicle, 16 October 1969

---.  "Astrologer Joins Hunt for Killer"
San Francisco Chronicle, 17 October 1969

---.  "Lawmen Pool Their Zodiac Clues"
San Francisco Chronicle, 21 October 1969

Pruitt, Bryan.  "Police skeptical of Zodiac rumors"
Vallejo Times-Herald, 19 May 2001

"RCC coed, 18, slain on campus"
Riverside Press, 31 October 1966

Reiterman, Tim.  "Zodiac: 4 years later"
San Francisco Examiner, 30 January 1978

---.  "Expert frustrated: handwriting's not on wall for Zodiac"
San Francisco Examiner, 30 January 1978

"Riverside Co-Ed's Murder Is Linked To Zodiac Killer"
Vallejo Times-Herald, 16 November 1970

"Rode With Zodiac, Woman Claims"
San Francisco Examiner, 23 March 1970

"A 'Seminar' Here On Zodiac Killer"
San Francisco Chronicle, 20 October 1969

Silverman, Gene.  "Author says answer to the Zodiac slayings is in Vallejo"
Vallejo Times-Herald, 2 February 1986

"Six Killings Definitely Tied To Zodiac"
San Francisco Chronicle, 4 May 1981

Sullivan, Paul. "Skeleton ID'd as Harvard grad student Joan Webster"
Boston Herald, 1 May 1990

"A Target for Zodiac"
San Francisco Chronicle, 23 October 1969

"Taxi driver is Shot In Back Of Head During SF Holdup"
Vallejo Times-Herald, 26 January 1970

"Tips Still Pursue Multiple Slayer"
San Francisco Chronicle, 26 August 1976

"Two More Cops Join S.F.'s Zodiac Detail"
San Francisco Chronicle, 29 April 1978

"Vallejo Checking Out suspect for Napa Authorities"
Vallejo News-Chronicle, 1 November 1969

"Vallejo Mass Murder Threat Fails"
San Francisco Sunday Examiner & Chronicle, 3 August 1969

"Vallejo Teenagers Are Shot To Death Near Lake Herman"
Vallejo Times-Herald, 21 December 1968

Wallace, Bill. "Detectives who still pursue Zodiac killer … And amateurs who cling to the case"
San Francisco Chronicle, 4 May 1981

---.  "One Killing Zodiac Might Have Planned Carefully"
San Francisco Chronicle, 4 May 1981

"The Week's News in Review: Bay Area"
This World, 26 October 1969

Weiss, Mike.  "New Zodiac Disclosures"
San Francisco Chronicle, 14 July 1978

Weiss, Mike.  "DNA seems to clear only Zodiac suspect"
San Francisco Chronicle, 15 October 2002

Wesley, Kevin. "Author links Harvard professor to Webster case"
Beverly Times, 12 June 1990

---.  "Police have no clear suspects in murder case"
Beverly Times, 12 June 1990

West, Richard. "Zodiac Tie to Riverside Slaying Confirmed"
Los Angeles Times, 17 November 1970

Williams, Lance.  "Zodiac killings still haunt The City"
San Francisco Examiner, 17 November 1987

---.  "Zodiac slayings haunt Vallejo 'suspect'"
San Francisco Examiner, 26 July 1991

Wood, Jim.  "Police Swamped By Phone Calls"
San Francisco Sunday Examiner & Chronicle, 19 October 1969

"Young Couple Bound, Stabbed At Berryessa"
Vallejo Times-Herald, 28 September 1969

"Zodiac 'Links' Checked"
Vallejo Times-Herald, 26 January 1970

"'Zodiac' may have killed riverside coed, paper says"
Riverside Enterprise, 16 November 1970

"'Zodiac' Murderer Now Wants To Hit School Bus Kids"
Vallejo Times-Herald, 17 October 1969

"Zodiac Ripper Pursuit"
Vallejo Times-Herald, 30 August 1975

"A 'Zodiac' Runaround On TV Show"
San Francisco Chronicle, 23 October 1969

"Zodiac victim's sister says killer is after her"
Vallejo Times-Herald, 16 July 1990

Zoellner, Tom.  "Amateurs Stir Embers Of Notorious Zodiac Case"
San Francisco Chronicle, 2 October 2000

On-Line News Sources:

Dotinga, Randy.  "DNA May Solve One Zodiac Murder"
APBNews.com, 29 November 1999

Edwards, Jim.  "Was Zodiac Killer Given Time to Cover Tracks?"
APBNews.com, 7 December 1999

---.  "DNA May Unmask the Zodiac Killer"
APBNews.com, 17 February 2000

---.  "Has Zodiac Evidence Been Ignored?"
APBNews.com, 31 May 2000

Graysmith, Robert.  "Subject: The Zodiac Killer"
APBNews.com, 7 December 1999

Books:

Davis, Howard.  The Manson / Zodiac Connection
California, Pen Power Publications, 1998

Graysmith, Robert. Zodiac
New York, Berkley Books, 1987

---.  Zodiac Unmasked
New York, Berkley Books, 2002

Douglas, J., Burgess, A.W., Burgess, A.G., & Ressler, R. Crime Classification Manual
New York, Lexington Books, 1995

Kelleher, M. & Van Nuys, D.  This is the Zodiac Speaking: Into the Mind of a Serial Killer
Connecticut, Praeger, 2001

Kelleher, Michael D.  Suspect Zero
Washington, Dead End Street Publishing, 2003

The MacMillan Visual Desk Reference
New York, MacMillan Publishing Co, 1993

Nelson, Bill. Manson: Behind the Scenes
California, Pen Power Publishing, 1997

Penn, Gareth. TIMES 17: The Amazing Story of the Zodiac Murders
In California and Massachusetts 1966-1981
California, Foxglove Press, 1987

---.  "The Second Power"
California, Self-Published, 1999

Sullivan, Robert. The Disappearance of Dr. Parkman
Massachusetts, Little, Brown, & Co., 1971

The Times Atlas of the World
New York, New York Times Books, 1980

True Crime: Unsolved Crimes
Virginia, Time-Life Books, 1993

CD-ROMs:

Oswell, D. & Rusconi, M. Dr. Zodiac
Carfax Publishing, Delaware, 1998

Magazine Articles:

Huffman, Rob.  Campin' With the Zodiac
California, Self-Published, Summer 1997

Lowall, Gene.  "Zodiac: California's Blood-Thirsty Phantom"
Argosy, September 1970

O'Hare, Michael. "Wind whistles through MIT tower"
Progressive Architecture, March 1967

O'Hare, M. & Kronauer, R. "Fence designs to keep wind from being a nuisance"
Architectural Record, July 1969

Penn, Gareth (as "George Oakes"). "Portrait of the Artist as a Mass Murderer"
California, November 1981

---. "The Calculus of Evil"
Mensa Bulletin, July/August 1985

---. "Noch Einmal Zodiac / The Zodiac Again"
Splatting Image, 1993

Stephens, Hugh.  "Has the Zodiac Killer Trapped Himself?"
Front Page Detective, February 1970

Essays and Criticism:

Butterfield, Michael. "Getting Over 'Gray-Area-Smith'"
Arizona, Self-published, 1997

---.  "Graysmith Unmasked"
www.ZodiacKiller.com, 2003

---.  "Unmasked Unravelled"
www.ZodiacKiller.com, 2003

Kelleher, Michael D.  "Zodiac: The Man and his Crimes"
www.CrimeScribe.com, 1998

Neil, Ed.  "Graysmith's Alleged Investigatory Prowess Exposed"
www.ZodiacKiller.com, 2003

Penn, Gareth. "Notes on the Aftermath of the Publication of TIMES 17"
California, Self-published, 1995

Rowlett, Curt.  "The Mikado: A Brief History and Discussion"
www.Labyrinth13.com, December 1999

Maps:

San Francisco Bay Area City Map
Illinois, Rand McNally & Co, 1993

San Francisco/Contra Costa/Alameda Counties Street Guide and Directory
California, Thomas Bros. Maps, 1995

US Geological Survey. Benicia, CA and Cordelia, CA
US Department of the Interior, 1980

Reports, files, and commissioned documents from Riverside Police Department, Vallejo Police Department, Napa County Sheriff's Office, San Francisco Police Department, California Department of Justice, and the Federal Bureau of Investigation, 1966-1991

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