“Game On!”. The ARM Club - Software Products. The ARM Club. 2001年10月4日時点のオリジナルよりアーカイブ。2012年6月27日閲覧。
“StrongGuard”. The ARM Club - Software Products. The ARM Club. 2009年2月12日時点のオリジナルよりアーカイブ。2012年6月27日閲覧。
“Free Software”. The ARM Club website. The ARM Club. 2012年6月27日閲覧。
arstechnica.com
Reimer, Jeremy (2005年5月). “A History of the GUI”. ArsTechnica. 2011年5月25日閲覧。 “[...] in 1987, the UK-based company Acorn Computers introduced their [...] GUI, called "Arthur", also was the first to feature anti-aliased display of on-screen fonts, even in 16-color mode!”
Lee, Jeffrey (2011年8月2日). “Have I Got Old News For You”. The Icon Bar. 2011年9月28日閲覧。 “[...] Willi Theiss has recently announced that he's been working on a port of RISC OS to the PandaBoard [...]”
Lee, Jeffrey. “Newsround”. The Icon Bar. 2011年10月17日閲覧。
Mellor, Phil (2007年3月23日). “An arbitrary number of possibly influential RISC OS things”. The Icon Bar. 2011年9月27日閲覧。 “Admittedly it wasn't until RISC OS Select was released, almost 10 years later, that the standard Acorn applications (Draw, Edit, and Paint) implemented the style guide's clipboard recommendations, but most products followed it with care.”
iyonix.com
“RISC OS 5 features”. Iyonix Ltd. 2011年1月31日閲覧。 “All IYONIX pcs ship with RISC OS 5 in flash ROM.”
Round, Mark (2004年2月26日). “Emulating RISC OS under Windows”. OSnews. OSNews. 2011年5月12日閲覧。 “Many of the UI concepts that we take for granted were first pioneered in RISC OS, for instance: scalable anti-aliased fonts and an operating system extendable by 'modules', while most of the PC world was still on Windows 3.0.”
Holwerda, Thom (2005年6月23日). “Screen Fonts: Shape Accuracy or On-Screen Readability?”. OSNews. 2011年6月13日閲覧。 “[...] it was RISC OS that had the first system-wide, intricate [...] font rendering in operating systems.”
riscos.com
select.riscos.com
“Risc os 6 general faq”. RISCOS Ltd. 2011年1月31日閲覧。 “[RISC OS 6 is] suitable for Risc PC, A7000 and Virtual Acorn products.”
“Cortex-A8 port status”. RISC OS Open. 2011年1月31日閲覧。 “[The port includes] a modified version of the RISC OS kernel containing support for (all) Cortex-A8 CPU cores.”
Ghiraddje (2009年12月22日). “The RISC OS GUI”. Telcontar.net. 2011年5月12日閲覧。 “Only with Mac OS X did any mainstream graphical interface provide the smoothly rendered, fractionally spaced type that Acorn accomplished in 1992 or earlier.”
theinquirer.net
Farrell, Nick (2009年4月27日). “Snaps leak of RISC OS5 on Beagleboard”. The Inquirer. 2011年6月28日閲覧。 “A snap of an RISC OS 5, running on a Beagleboard device powered by a 600MHz ARM Cortex-A8 processor with a built-in graphics chip, has tipped up on the world wide wibble. The port developed by Jeffrey Lee is a breakthrough for the shared-source project because it has ported the OS without an army of engineers.”
