DBase (English Wikipedia)

Lazzareschi, Carla (December 15, 1990). "The Creator of dBase Software Maintains That It Is Original". Los Angeles Times. Retrieved April 26, 2017.
Zonana, Victor F. (May 10, 1987). "ASHTON-TATE : Confronting a Hard Life in the World of Software". Los Angeles Times. Archived from the original on 3 December 2015.
Lazzareschi, Carla (11 July 1991). "Borland to Acquire Ashton-Tate in a $439-Million Deal". Los Angeles Times. Archived from the original on 12 December 2015.
Weber, Jonathan (March 25, 1992). "Microsoft to Buy Fox Software to Get Database Line". Los Angeles Times. Archived from the original on 17 October 2015. In its first major acquisition, software powerhouse Microsoft Corp. announced Tuesday that it will buy privately held Fox Software for about $173 million

Magid, Lawrence (25 February 1988). "Ashton-Tate has a Likely Winner". Los Angeles Times. Retrieved 8 February 2023.
O'Reilly, Richard (April 23, 1992). "The Future of Database Programs". Los Angeles Times.

libreoffice.org

Lewis, Peter H (August 19, 1990). "The Executive Computer; Can the New dBASE Solve Ashton-Tate's problems?". The New York Times. Archived from the original on 25 May 2015. dBASE had 40 percent of the data base market in 1989, compared with 62.5 percent in 1985.
Pollack, Andrew (March 25, 1992). "Microsoft to Try New Market By Acquiring Fox Software". The New York Times. Archived from the original on 23 April 2015.
Lewis, Peter H. (January 15, 1989). "At Long Last, dBase IV Arrives". The New York Times.

"New user interface for Ashton's dBase IV". CBRonline (Computer Business Review). February 17, 1988 – via TechMonitor.

O'Reilly, Richard (26 September 1994). "dBASE 5.0 for Windows has a Big Engine, but Lacks Speed". The Washington Post. Retrieved 8 July 2023.

Zonana, Victor F. (May 10, 1987). "ASHTON-TATE : Confronting a Hard Life in the World of Software". Los Angeles Times. Archived from the original on 3 December 2015.
Lewis, Peter H (August 19, 1990). "The Executive Computer; Can the New dBASE Solve Ashton-Tate's problems?". The New York Times. Archived from the original on 25 May 2015. dBASE had 40 percent of the data base market in 1989, compared with 62.5 percent in 1985.
Lazzareschi, Carla (11 July 1991). "Borland to Acquire Ashton-Tate in a $439-Million Deal". Los Angeles Times. Archived from the original on 12 December 2015.
Pollack, Andrew (March 25, 1992). "Microsoft to Try New Market By Acquiring Fox Software". The New York Times. Archived from the original on 23 April 2015.
Weber, Jonathan (March 25, 1992). "Microsoft to Buy Fox Software to Get Database Line". Los Angeles Times. Archived from the original on 17 October 2015. In its first major acquisition, software powerhouse Microsoft Corp. announced Tuesday that it will buy privately held Fox Software for about $173 million
"Troubleshoot converting file formats - Excel - Office.com". Archived from the original on 5 April 2011. Retrieved 2018-09-11.

"Worst tech mergers and acquisitions: Novell and Unix, Borland Ashton-Tate". ZDNet. In 1995, Novell sold the operating system to SCO. ... In 1991, Ashton-Tate merged with Borland