found: His Milan Hodža v Amerike, 1949:t.p. (Dr. Michal Múdry)
found: Stručné dejiny Slovákov, 1940:title page (Dr. Michal Múdry Šebík)
found: Český Rozhlas WWW site, November 21, 2018:Svobodné! - Kdo byl kdo Michal Múdrý Šebík page (Michal Múdrý-Šebík; lawyer, journalist, and politician; representative of the Slovak Democratic party in the Czechoslovak parliament, 1945-1948; emigrated to Germany after the Communist takeover in February 1948; worked as an editor for Radio Free Europe; editor of RFE's Czechoslovak edition in New York, 1970-1974) - http://www.rozhlas.cz/svobodne/kdobylkdo/_zprava/michal-mudrysebik--864950
found: Online Archive of California WWW site, November 21, 2018 Inventory of the Michal Mudr [Michal Mudry-Sebik] papers, page 2 and foloowing (Michal Múdry; born 11 May 1909 in Drétoma/Drietoma; studied law and worked as lawyer in Bratislava; emigrated to the United States in 1939, where he served as secretary to the former Czechoslovak Prime Minister Milan Hodža; served as a representative of the Slovak Democratic Party in the postwar Czechoslovak government; emigrated to the United States again in 1948; worked as associate editor-in-chief for the Czechoslovak desk in Munich, 1951-1954 and New York, 1954-1970; editor-in-chief, 1970-1974; died in New York, September 1978) - http://pdf.oac.cdlib.org/pdf/hoover/2006C1.pdf
found: Ancestry.com WWW site, November 21, 2018:Beneficiary Identification Records Locator Subsystem (BIRLS) Death File (Michael Mudry Sebik; born 11 May 1909; died 20 September 1978)