SR multiple unit numbering and classification

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

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

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