Quaerere per praefixa
- Petrus
- Petrus, Paulus, et Maria
- Petrus-Iosephus Verhaegen
- Petrus-Theodorus Verhaegen
- Petrus (Narnia)
- Petrus (discretiva)
- Petrus (dominus Cortiniaci)
- Petrus (imperator Latinus)
- Petrus (monachus Vallium Cernaii)
- Petrus (nomen)
- Petrus Abaelardus
- Petrus Ackroyd
- Petrus Adamsen
- Petrus Aegidius de Gennes
- Petrus Agostini
- Petrus Agre
- Petrus Aguirre Cerda
- Petrus Albinus Hansson
- Petrus Alexander Monsigny
- Petrus Alfonsus
- Petrus Alfredus Taylor
- Petrus Almodóvar
- Petrus Aloysius M. Leone
- Petrus Altenberg
- Petrus Altmaier
- Petrus Altmeier
- Petrus Andreas Comensoli
- Petrus Andreas Fournier
- Petrus Andreas Latreille
- Petrus Andreas Matthiolus
- Petrus Andreas Saccardo
- Petrus Angelus Soldini
- Petrus Angulo Arana
- Petrus Antonius Michiel
- Petrus Antonius Quarantotti Gambini
- Petrus Antonius Tremolada
- Petrus Antonius Véron
- Petrus Antonius de Alarcón
- Petrus Apianus
- Petrus Aponus
- Petrus Arduino
- Petrus Aretinus
- Petrus Arrupe
- Petrus Assouline
- Petrus Aube
- Petrus Aubert
- Petrus Aubry (musicologus)
- Petrus Augustus Renoir
- Petrus Badoglio
- Petrus Bagration
- Petrus Baláž
- Petrus Bardin
- Petrus Bares
- Petrus Barton Wilson
- Petrus Basilius
- Petrus Bayle
- Petrus Bellonius
- Petrus Bembus
- Petrus Benenson
- Petrus Beneventanus
- Petrus Berthier
- Petrus Berullus
- Petrus Betancur
- Petrus Beyer
- Petrus Bichsel
- Petrus Bieri
- Petrus Bieri (rerum politicarum peritus)
- Petrus Blanchar
- Petrus Blesensis
- Petrus Bleser
- Petrus Boetto
- Petrus Bogdanovich
- Petrus Bosquet
- Petrus Bottomley
- Petrus Bouguer
- Petrus Boulez
- Petrus Bourdieu
- Petrus Boutros-Ghali
- Petrus Breugelius iunior
- Petrus Breugelius senior
- Petrus Briant
- Petrus Brice
- Petrus Briner
- Petrus Brolo
- Petrus Brook
- Petrus Bruno
- Petrus Bubani
- Petrus Bukaneg
- Petrus Burmannus
- Petrus Buyoya
- Petrus Bérégovoy
- Petrus Bürcher
- Petrus C. Doherty
- Petrus Calamandrei
- Petrus Calchi Novati
- Petrus Calderonius de la Barca
- Petrus Calungsod
- Petrus Candidus Decembrius
- Petrus Canisius
- Petrus Cantor
- Petrus Cardenal
- Petrus Cardin
- Petrus Carey
- Petrus Carlet de Marivaux
- Petrus Carneseccus
- Petrus Carolus Le Monnier
- Petrus Carrington
- Petrus Casaldáliga
- Petrus Casola
- Petrus Caspar Chaumette
- Petrus Castellanus
- Petrus Castellus
- Petrus Castillo
- Petrus Cateriano
- Petrus Cattaneo
- Petrus Chantraine
- Petrus Charronus
- Petrus Chiambretti
- Petrus Chiara
- Petrus Christensen
- Petrus Christian
- Petrus Chrysologus
- Petrus Citati
- Petrus Clodt
- Petrus Codicillus
- Petrus Combescot
- Petrus Comes Yorck de Wartenburg
- Petrus Comestor
- Petrus Cornellius
- Petrus Cort van der Linden
- Petrus Cosimi Medices
- Petrus Costello
- Petrus Crișan
- Petrus Crouch
- Petrus Curie
- Petrus Cushing
- Petrus Daea
- Petrus Damianus
- Petrus Damsté
- Petrus Danckert
- Petrus Daniel Huetius
- Petrus Dannenberg
- Petrus Dartout
- Petrus Daru
- Petrus DeCoursey
- Petrus DeFazio
- Petrus De Crem
- Petrus Debye
- Petrus Delgado
- Petrus Derbigny
- Petrus Diamond
- Petrus Diez Canseco
- Petrus Dinklage
- Petrus Drieu la Rochelle
- Petrus Duchesne
- Petrus Ducke
- Petrus Duhem
- Petrus Dupong
- Petrus D’Inzeo
- Petrus Eburensis
- Petrus Eckstein-Kovacs
- Petrus Edmundus Boissier
- Petrus Erdő
- Petrus Eršov
- Petrus Esseiva
- Petrus Esterházy
- Petrus Faber
- Petrus Falk
- Petrus Farina
- Petrus Farrelly
- Petrus Fassino
- Petrus Felix Guattari
- Petrus Ferdinandus Casini
- Petrus Fermatius
- Petrus Fiala
- Petrus Finch
- Petrus Flinsch
- Petrus Florin
- Petrus Fonda
- Petrus Fourier
- Petrus Fox
- Petrus Franciscus Morali
- Petrus Franciscus Verhulst
- Petrus Frankopan
- Petrus Frieden
- Petrus Gabriel
- Petrus Gabrovski
- Petrus Gamarra
- Petrus Gannuškin
- Petrus Garnsey
- Petrus Gasparri
- Petrus Gassendus
- Petrus Gauweiler
- Petrus Georgius Frassati
- Petrus Georgius Niger
- Petrus Gerbrandy
- Petrus Gobetti
- Petrus Gonsalvus
- Petrus Graber
- Petrus Granier-Deferre
- Petrus Grasso
- Petrus Graves
- Petrus Grimani
- Petrus Groth
- Petrus Groza
- Petrus Grünberg
- Petrus Gudev
- Petrus Guerra de Lorca
- Petrus Guilhem de Tolosa
- Petrus Gulielmus Krause
- Petrus Gustavus Toutant Beauregard
- Petrus Gyllius
- Petrus Hacks
- Petrus Hain
- Petrus Handke
- Petrus Hansborough Bell
- Petrus Haraldus Carstensen
- Petrus Hardeman Burnett
- Petrus Harmel
- Petrus Hector Coullié
- Petrus Heilker
- Petrus Henlein
- Petrus Hermanus Schrijvers
- Petrus Higgs
- Petrus Hintze
- Petrus Hofmannus Peerlkamp
- Petrus Hooft
- Petrus Hrandek
- Petrus Huyssens
- Petrus III (imperator Russiae)
- Petrus II (imperator Brasiliae)
- Petrus II (imperator Russiae)
- Petrus II (rex Aragonum)
- Petrus II Sabaudiae
- Petrus I (discretiva)
- Petrus I (imperator Brasiliae)
- Petrus I (imperator Russiae)
- Petrus I (rex Bulgariae)
- Petrus I Sabaudiae
- Petrus Iacobus Grampa
- Petrus Iacobus Nonis
- Petrus Ichino
- Petrus Iekimov
- Petrus Ignatius Wolcan Olano
- Petrus Infante
- Petrus Ingrao
- Petrus Ioannes Baptista Legrand d'Aussy
- Petrus Ioannes Beckx
- Petrus Ioannes Bergius
- Petrus Ioannes Kolvenbach
- Petrus Ioannes Perpinianus
- Petrus Ioannes Weissmüller
- Petrus Ioannes de Béranger
- Petrus Iosephus Desault
- Petrus Iosephus Oliverius Chauveau
- Petrus Iosephus Proudhon
- Petrus Iosephus Triest
- Petrus Isselburg
- Petrus Ivo Jeholet
- Petrus J. Ratcliffe
- Petrus Jaccoud
- Petrus Jackson
- Petrus Jacotin
- Petrus Jones
- Petrus Kapica
- Petrus Karavelov
- Petrus Kaščenko
- Petrus Kireevskij
- Petrus Knauer
- Petrus Kodwo Appiah Turkson
- Petrus Končalovskij
- Petrus Kooijmans
- Petrus Kreeft
- Petrus Kropotkin
- Petrus Kuhlmann
- Petrus La Fontaine
- Petrus Lagerkvist
- Petrus Lambeccius
- Petrus Lansel
- Petrus Larousse
- Petrus Lascuráin
- Petrus Laurentii filius Medices
- Petrus Laurus