Bash (Japanese Wikipedia)

GNU Project. “README file”. 2017年10月21日閲覧。 “Bash is free software, distributed under the terms of the [GNU] General Public License as published by the Free Software Foundation, version 3 of the License (or any later version).”
リチャード・ストールマン (November 12, 2010). “About the GNU Project”. Free Software Foundation. April 24, 2011時点のオリジナルよりアーカイブ。March 13, 2011閲覧。 “"Bourne Again Shell" is a play on the name Bourne Shell, which was the usual shell on Unix.”
リチャード・ストールマン (October 3, 2010). “About the GNU Project”. Free Software Foundation. April 24, 2011時点のオリジナルよりアーカイブ。March 21, 2011閲覧。 “Free Software Foundation employees have written and maintained a number of GNU software packages. Two notable ones are the C library and the shell. ... We funded development of these programs because the GNU Project was not just about tools or a development environment. Our goal was a complete operating system, and these programs were needed for that goal.”
“6.11 Bash POSIX Mode”, The GNU Bash Reference Manual, for Bash, Version 4.1, (December 23, 2009), オリジナルのDecember 3, 2010時点におけるアーカイブ。 October 26, 2010閲覧。

groups.google.com

リチャード・ストールマン (forwarded with comments by Chet Ramey) (10 February 1988). "GNU + BSD = ?". Newsgroup: comp.unix.questions. Usenet: 2362@mandrill.CWRU.Edu. 2011年3月22日閲覧。For a year and a half, the GNU shell was "just about done". The author made repeated promises to deliver what he had done, and never kept them. Finally I could no longer believe he would ever deliver anything. So Foundation staff member Brian Fox is now implementing an imitation of the Bourne shell.
Brian Fox (forwarded by Leonard H. Tower Jr.) (8 June 1989). "Bash is in beta release!". Newsgroup: gnu.announce. 2010年10月28日閲覧。
len (g...@prep.ai.mit.edu) (20 April 1993). "January 1993 GNU's Bulletin". Newsgroup: gnu.announce. Usenet: gnusenet930421bulletin@prep.ai.mit.edu. 2010年10月28日閲覧。
Chet Ramey (12 June 1989). "Bash 0.99 fixes & improvements". Newsgroup: gnu.bash.bug. 2010年11月1日閲覧。
Chet Ramey (24 July 1989). "Some bash-1.02 fixes". Newsgroup: gnu.bash.bug. 2010年10月30日閲覧。
Brian Fox (2 March 1990). "Availability of bash 1.05". Newsgroup: gnu.bash.bug. 2010年10月30日閲覧。

Ramey, Chet (August 1, 1994). “Bash - the GNU shell (Reflections and Lessons Learned)”. Linux Journal. December 5, 2008時点のオリジナルよりアーカイブ。November 13, 2008閲覧。

Gattol, Markus (March 13, 2011), Bourne-again Shell March 13, 2011閲覧, "The name is a pun on the name of the Bourne shell (sh), an early and important Unix shell written by Stephen Bourne and distributed with Version 7 Unix circa 1978, and the concept of being "born again"."

"The shell provides associative array variables, with the appropriate support to create, delete, assign values to, and expand them." https://tiswww.case.edu/php/chet/bash/NEWS

“Advanced Bash-Scripting Guide”. www.tldp.org. 2017年3月5日閲覧。
Mendel Cooper. “Portability Issues”. The Linux Documentation Project. ibiblio.org. 2017年10月21日閲覧。

リチャード・ストールマン (November 12, 2010). “About the GNU Project”. Free Software Foundation. April 24, 2011時点のオリジナルよりアーカイブ。March 13, 2011閲覧。 “"Bourne Again Shell" is a play on the name Bourne Shell, which was the usual shell on Unix.”
リチャード・ストールマン (October 3, 2010). “About the GNU Project”. Free Software Foundation. April 24, 2011時点のオリジナルよりアーカイブ。March 21, 2011閲覧。 “Free Software Foundation employees have written and maintained a number of GNU software packages. Two notable ones are the C library and the shell. ... We funded development of these programs because the GNU Project was not just about tools or a development environment. Our goal was a complete operating system, and these programs were needed for that goal.”
Ramey, Chet (August 1, 1994). “Bash - the GNU shell (Reflections and Lessons Learned)”. Linux Journal. December 5, 2008時点のオリジナルよりアーカイブ。November 13, 2008閲覧。
“6.11 Bash POSIX Mode”, The GNU Bash Reference Manual, for Bash, Version 4.1, (December 23, 2009), オリジナルのDecember 3, 2010時点におけるアーカイブ。 October 26, 2010閲覧。