Most (classical) composers had one or a few lyricists with whom they preferred to work:
Bach: Picander
Mozart: Da Ponte, Schikaneder
Sullivan: Gilbert
Giuseppe Verdi: Arrigo Boito in his later works
Isaac Albéniz: Francis Burdett Money-Coutts
Richard Strauss: Hugo von Hofmannsthal
Puccini: Luigi Illica and Giuseppe Giacosa
Satie: Contamine, Plato (when composing Socrate: Platon s'avère comme un collaborateur parfait, très doux, jamais importun - "Plato shows himself a perfect coworker, very soft, never out of line")
Amadeo Vives: Federico Romero and Guillermo Fernández Shaw
Rodgers: Hammerstein
Gershwin: Ira Gershwin
Andrew Lloyd Webber: Tim Rice, followed by Don Black
Bertold Hummel: Hermann Hesse
Handel: Charles Jennens