Principal submatrix

Principal, Principal parts, Principal dancer, Vice-principal, Principal Financial Group, Principal–agent problem, Principal bundle, Principal (academia), Principal of the University of Glasgow, The Principal and the Pauper, Principal Clerk of Session and Justiciary, Sheriff principal, Connection (principal bundle), Principal axis, Principal component analysis, Principal Skinner, Principal teacher, Teatre Principal de Maó, Principal meridian, Victoria Principal, Principal Feast, Principal Holy Day (Anglicanism), The Principal Upanishads, Principal investigator, The Principal, Principal curvature, Principal Hotel Company, Principal direction, Principal naval transport officer (Royal Navy), Principal Galaxies Catalogue, Fourth principal meridian, Principal city, Fifth principal meridian, Sixth principal meridian, Principal Cordillera, Principal Secretary, Princess Principal: Crown Handler, List of Welsh principal areas, Principal ideal ring, Principal (music), Principal areas of Wales

Cauchy principal value, Principal Edwards Magic Theatre, Principal Secretary (Canada), Principal quantum number, Principal type, Principal of the University of St Andrews, Principal secretary (India), Third principal meridian, List of principals of Brasenose College, Oxford, Principal series, Second principal meridian, Principal area, Principal Group, Principal council, Multilinear principal component analysis, First principal meridian, Principal Register, Principal officials of Hong Kong, Principal photography, Principal component regression, Principal Upanishads, List of Principal Chiefs of the Cherokee, Principal trade, Principal (computer security), Principal Private Secretary to the Prime Minister of the United Kingdom, Principal response curve, List of principals of Somerville College, Oxford, List of principals of King's College London, Vice Principals, John Lee (university principal), Principal Solicitor for Ireland, List of principal leaders of the Crusades, Principal ideal domain, Teatro Principal de València, Krull's principal ideal theorem, Principal Charity Classic, Principal series representation, Principal U(1)-bundle, Principal Stakes, List of principals of the University of Aberdeen, Wellcome Trust Principal Research Fellowship, Principal form of a polynomial, Principal SU(2)-bundle, List of First and Principal Naval Aides-de-Camp, List of species and habitats of principal importance in England, Principal warfare officer, Principal sensory nucleus of trigeminal nerve, Principal protected note, Principal gerbil, Principal orbit type theorem

Principal, Principal parts, Principal dancer, Vice-principal, Principal Financial Group, Principal–agent problem, Principal bundle, Principal (academia), Principal of the University of Glasgow, The Principal and the Pauper, Principal Clerk of Session and Justiciary, Sheriff principal, Connection (principal bundle), Principal axis, Principal component analysis, Principal Skinner, Principal teacher, Teatre Principal de Maó, Principal meridian, Victoria Principal, Principal Feast, Principal Holy Day (Anglicanism), The Principal Upanishads, Principal investigator, The Principal, Principal curvature, Principal Hotel Company, Principal direction, Principal naval transport officer (Royal Navy), Principal Galaxies Catalogue, Fourth principal meridian, Principal city, Fifth principal meridian, Sixth principal meridian, Principal Cordillera, Principal Secretary, Princess Principal: Crown Handler, List of Welsh principal areas, Principal ideal ring, Principal (music), Principal areas of Wales, Cauchy principal value, Principal Edwards Magic Theatre, Principal Secretary (Canada), Principal quantum number, Principal type, Principal of the University of St Andrews, Principal secretary (India), Third principal meridian, List of principals of Brasenose College, Oxford, Principal series, Second principal meridian, Principal area, Principal Group, Principal council, Multilinear principal component analysis, First principal meridian, Principal Register, Principal officials of Hong Kong, Principal photography, Principal component regression, Principal Upanishads, List of Principal Chiefs of the Cherokee, Principal trade, Principal (computer security), Principal Private Secretary to the Prime Minister of the United Kingdom, Principal response curve, List of principals of Somerville College, Oxford, List of principals of King's College London, Vice Principals, John Lee (university principal), Principal Solicitor for Ireland, List of principal leaders of the Crusades, Principal ideal domain, Teatro Principal de València, Krull's principal ideal theorem, Principal Charity Classic, Principal series representation, Principal U(1)-bundle, Principal Stakes, List of principals of the University of Aberdeen, Wellcome Trust Principal Research Fellowship, Principal form of a polynomial, Principal SU(2)-bundle, List of First and Principal Naval Aides-de-Camp, List of species and habitats of principal importance in England, Principal warfare officer, Principal sensory nucleus of trigeminal nerve, Principal protected note, Principal gerbil, Principal orbit type theorem, Principal interacting orbital, Principal variation search, Principal Richard Pound, Uniform Principal and Income Act, List of principals and fellows of Jesus College, Oxford, General Securities Principal Exam, The Principal (Vice Principals), Principal Triangulation of Great Britain, List of Phillips Exeter Academy principals, List of principals of Hertford College, Oxford, National Association of Secondary School Principals, Uniform Fiduciary Income and Principal Act, Ascending chain condition on principal ideals, The Principal's Office, List of principals of the University of Edinburgh, Principal (commercial law), Partially disclosed principal, Principal Private Secretary to the Secretary of State for Foreign and Commonwealth Affairs, Principal curvature-based region detector, Principal value, Principal Olivil, Go and Ask Peggy for the Principal Thing, North and East of First Principal Meridian, Structure theorem for finitely generated modules over a principal ideal domain, Head teacher, Principal ideal, Principal, Ecuador, Engin Principal du Génie, Ribeira Principal, Principal Tower, Principal Place, Papel Principal, Principal branch, Principal (Catholic Church), Principal Park, Robert Howie (principal), L1-norm principal component analysis, List of Principals of Elizabeth College, Guernsey, List of principals of Lady Margaret Hall, Oxford, Multiple principal problem, Alameda Principal, Principal boy, Principal part, Princess Principal, Principal Charming, Principal Painter in Ordinary, Ape Principal, El Principal Airport, Principal balance, Leader of the Green Party of England and Wales, Ten principal disciples, Matthew Smyth (principal), Undisclosed principal, Principal point, Principal (criminal law), List of principals of Green Templeton College, Oxford, Principal stratification, Cardinal point (optics), Robert Boyd (university principal), Principal Theatre (Pontevedra)