found: Gutiérrez, J.L. Miguel Boyer, 1991.
found: Bergedorfer Gesprächskreis Web site, Feb. 1, 2005(99th Bergedorf Round Table: research in protocol, participant: Miguel Boyer; b. 1939; former government minister; vice-président of FCC Construcción, S.A., Madrid)
found: El país WWW site, Oct. 14, 2014(in obituary dated Sept. 29, 2014: Miguel Boyer; Miguel Boyer Salvador; b. 1939, San Juan de Luz, France; d. Sept. 29 [2014], Madrid, at age 75; minister of economy, treasury and commerce in Felipe González's first administration; PSOE deputy; later worked for FCC)