Frederator Studios (English Wikipedia)

"Who? Frederator". Frederator.com.
"Who are we?". Frederator Studios. Frederator Networks. Retrieved June 22, 2018.^{[self-published source]}
"Who are we?". Frederator: Frederator Loves You. Frederator Studios. Archived from the original on October 14, 2013. Retrieved October 23, 2013.

frederatorblogs.com

Seibert, Fred (September 6, 2010). "The Frederator Launch, 1997". Discus (Blog). Archived from the original on April 27, 2019. Retrieved June 22, 2018.
"Frederator Studios Blogs | Fred Seibert's Blog | Killing them softly". archives.frederatorblogs.com. Archived from the original on 2013-10-03. Retrieved 2018-08-22.

"Frederator Studios Blog". 2006-04-19. Archived from the original on 2006-04-19. Retrieved 2018-08-22.
Welcome. Archived 2010-12-14 at the Wayback Machine Channel Frederator Blog. October 25, 2005.

"About Us". Frederator Studios. Frederator Networks. Retrieved June 22, 2018.^{[self-published source]}

"YouTube's 'Simon Cat' Finds a New Home". TheWrap. 2014-02-19. Retrieved 2018-08-22.

McNary, Dave. Toon trio starts Frederator. Variety. Mon, Jun. 25, 2007.
Spangler, Todd (18 February 2016). "Frederator, Anima Estudios Launch Spanish-Language YouTube Animation Network (Exclusive)". Variety. Penske Business Media, LLC. Retrieved 18 February 2016.

Seibert, Fred (September 6, 2010). "The Frederator Launch, 1997". Discus (Blog). Archived from the original on April 27, 2019. Retrieved June 22, 2018.
"Who are we?". Frederator: Frederator Loves You. Frederator Studios. Archived from the original on October 14, 2013. Retrieved October 23, 2013.
"Frederator Studios Blog". 2006-04-19. Archived from the original on 2006-04-19. Retrieved 2018-08-22.
"Frederator Studios Blogs | Fred Seibert's Blog | Killing them softly". archives.frederatorblogs.com. Archived from the original on 2013-10-03. Retrieved 2018-08-22.
Welcome. Archived 2010-12-14 at the Wayback Machine Channel Frederator Blog. October 25, 2005.
"Cartoon Hangover — To get a Too Cool! greenlight, we'll ultimately..." Cartoon Hangover. Archived from the original on 2012-07-10. Retrieved 2018-08-22.
"Simon's Cat Has a New Home at Channel Frederator Networks - VideoInk". VideoInk. 2014-02-19. Archived from the original on 2015-04-05. Retrieved 2018-08-22.
"'Simon's Cat' Joins Frederator Network | Animation World Network". Archived from the original on 2014-03-29. Retrieved 2014-03-28.
"StreamDaily » Archive » Simon's Cat joins animation MCN Frederator". streamdaily.tv. Archived from the original on 2018-08-22. Retrieved 2018-08-22.
"GO! Cartoons from Sony Pictures Animation & Frederator Studios - Cartoon Hangover". Cartoon Hangover. Archived from the original on 2016-11-27. Retrieved 2018-08-22.

Karp, David; Alexandria, Julie (May 27, 2008). David Karp and Tumblr (Video). Wallstrip. Event occurs at 1:30. Retrieved February 24, 2013. Sometime in 2006, we had a couple of weeks between contracts and said 'Let's see what we can do, let's see if we can built this thing', and we threw together the first working version of Tumblr.