SR multiple unit numbering and classification

SR, SR.N6, Lockheed SR-71 Blackbird, Minolta SR-mount, "Sr.", SR Brașov, SR.N3, Boa Sr, Saunders-Roe SR.177, SR-3 Vikhr, SR.N2, Dolby SR, SR.N5, SR University, Bill Gates Sr., Silas Owens Sr., Floyd Mayweather Sr., SR-22 (insurance), José Padilla Sr., Jason Robards Sr., SR.N1, SR connector, Albert Gore Sr., Cloves Campbell Sr., Eurodisplay SR-01 Magic, SR-1 Vektor, Ruger SR-556, SR.N4, Stacy Keach Sr., Saunders-Roe SR.53, Lockheed Martin SR-72, Carlos Padilla Sr., Henry Jones Sr., SR 88, Sammy Davis Sr., SR-25, Bojan Krkić Sr., Cuba Gooding Sr., Lajos Somodi Sr., Claus Mørch Sr., SR (programming language)

Richard Kirman Sr., Hector Barreto Sr., Curlee Brown Sr., Santo Trafficante Sr., Steve Adubato Sr., Robert Downey Sr., Martin Luther King Sr., SR 3, Szekely SR-3, Robert De Niro Sr., William Horton Sr., VSR SR-1 Snoshoo, John Dingell Sr., Paul Makler Sr., Howard Baker Sr., William Creech Sr., Pat Harrington Sr., Simon P. Eggertsen Sr. House, Cal Ripken Sr., Bob Barry Sr., Balbir Singh Sr., Abdullah Jaroudi Sr., John Duncan Sr., Dave Hilton Sr., Barack Obama Sr., Andal Ampatuan Sr., Romeo Callejo Sr., Benjamin C. Dawkins Sr., Niel Tupas Sr., Saunders-Roe SR.A/1, Richard Russell Sr., Jim Paxson Sr., George DeTitta Sr., John Serry Sr., Bernard Glueck Sr., Rubén Díaz Sr., Paul B. Johnson Sr., Ramon Revilla Sr., Ken Griffey Sr., László Babály Sr., SR Delémont, John R. Hargrove Sr., Edward L. Loper Sr., François Lafortune Sr., Louis Riel Sr., Robert N. C. Nix Sr., Ted Thomas Sr., Juan Ángel Martini Sr., Earl G. Graves Sr., Perry Hooper Sr.

SR, SR.N6, Lockheed SR-71 Blackbird, Minolta SR-mount, "Sr.", SR Brașov, SR.N3, Boa Sr, Saunders-Roe SR.177, SR-3 Vikhr, SR.N2, Dolby SR, SR.N5, SR University, Bill Gates Sr., Silas Owens Sr., Floyd Mayweather Sr., SR-22 (insurance), José Padilla Sr., Jason Robards Sr., SR.N1, SR connector, Albert Gore Sr., Cloves Campbell Sr., Eurodisplay SR-01 Magic, SR-1 Vektor, Ruger SR-556, SR.N4, Stacy Keach Sr., Saunders-Roe SR.53, Lockheed Martin SR-72, Carlos Padilla Sr., Henry Jones Sr., SR 88, Sammy Davis Sr., SR-25, Bojan Krkić Sr., Cuba Gooding Sr., Lajos Somodi Sr., Claus Mørch Sr., SR (programming language), Richard Kirman Sr., Hector Barreto Sr., Curlee Brown Sr., Santo Trafficante Sr., Steve Adubato Sr., Robert Downey Sr., Martin Luther King Sr., SR 3, Szekely SR-3, Robert De Niro Sr., William Horton Sr., VSR SR-1 Snoshoo, John Dingell Sr., Paul Makler Sr., Howard Baker Sr., William Creech Sr., Pat Harrington Sr., Simon P. Eggertsen Sr. House, Cal Ripken Sr., Bob Barry Sr., Balbir Singh Sr., Abdullah Jaroudi Sr., John Duncan Sr., Dave Hilton Sr., Barack Obama Sr., Andal Ampatuan Sr., Romeo Callejo Sr., Benjamin C. Dawkins Sr., Niel Tupas Sr., Saunders-Roe SR.A/1, Richard Russell Sr., Jim Paxson Sr., George DeTitta Sr., John Serry Sr., Bernard Glueck Sr., Rubén Díaz Sr., Paul B. Johnson Sr., Ramon Revilla Sr., Ken Griffey Sr., László Babály Sr., SR Delémont, John R. Hargrove Sr., Edward L. Loper Sr., François Lafortune Sr., Louis Riel Sr., Robert N. C. Nix Sr., Ted Thomas Sr., Juan Ángel Martini Sr., Earl G. Graves Sr., Perry Hooper Sr., John F. Link Sr., Juan Gisbert Sr., Bazaleel Taft Sr., Howard R. Hughes Sr., Frank Stallone Sr., Frank C. Craighead Sr., Rush Holt Sr., Chavo Guerrero Sr., Adalbert Gurath Sr., Alfred Richard Gurrey Sr., Joseph Todaro Sr., Harry Blackstone Sr., Joseph Smith Sr., Ken Klein Sr., Leonel Marshall Sr., Jan Everse Sr, Robert Livingston Gerry Sr., George Athans Sr., Clay Matthews Sr., Stephen Bechtel Sr., Jairo Velasco Sr., William Rockefeller Sr., William Kennon Sr., Left SR uprising, SR Colmar, Nikolay Kedrov Sr., Vít Fousek Sr., SR-142948, Walter B. Jones Sr., Manuel Lujan Sr., Ted Ginn Sr., SR 59230A, Barry Bingham Sr., Kurt Vonnegut Sr., Hamilton Ward Sr., Henry James Sr., Fernando Poe Sr., Hans Eleonardus Møller Sr., John Donelson Martin Sr., Joseph Hellmesberger Sr., Harrison Parker Sr. House, James G. Rowe Sr., Harry Aubrey Toulmin Sr., László Cseh Sr., Tony Ries Sr., Fernando Trujillo Sr. House, Jacob Schaefer Sr., Robert I. Ingalls Sr., Daniel Ryan Sr., Melvin Metcalfe Sr., Eugen Wiesberger Sr., C&C SR 21, Tyrone Power Sr., Kees Krijgh Sr., Bob Jones Sr., Syd Barker Sr., Donald W. Riegle Sr., Herman Spöring Sr., James L. Farmer Sr., John Roberts Sr