Gigandet, Aubrey. “I Met Tim The Optimist in Oakland and this is What He Said.” Belle SF Magazine Issue #4. 2015.

http://www.bellesf.com

Brake, Broke. The Hundreds. 24 March 2015

http://thehundreds.com/tim-the-optimist/

Burke, Sarah. “Mixed Metaphors.” East Bay Express. 4 March 2015.

http://www.eastbayexpress.com/oakland/mixed-metaphors/Content?oid=4210428/

Carey, Anna. “The Bright Side.” The Daily Californian. 12 October 2011.

http://www.dailycal.org/2011/10/12/the-bright-side/

Chang, Soojin. “This Art Will Move You: 1am Gallery’s homage to truck graffiti.”

San Francisco Bay Guardian Online.

http://www.sfbg.com/pixel_vision/2012/02/09/art-will-move-you-1am-sf-gallerys-homage-truck-graffiti/

Plastic Water. Edition 3. 2012.

Time Flies in Taipei: Preview @AMPM Gallery Juxtapoz.

http://www.juxtapoz.com/Graffiti/time-flies-in-taipei-ampm-gallery

Wrest, Ronnie. Optimist, The Citrus Report.

http://www.thecitrusreport.com/2011/features/optimist/

12 September 2011

Charazo, Alan. With ‘Ticket to Ride,’ Optimist Williams channeled MUNI memories and Frisco legends. 48 Hills. 2021

https://48hills.org/2021/10/with-ticket-to-ride-optimist-williams-channeled-muni-memories-and-frisco-legends