1313. Bolton Compotus, 270 b. Pro viij. stirkettes emptis de executoribus Magistri Ade de Herteford et venditis xvj. s.
1348. Durham Acc. Rolls (Surtees), 42. In 3 styrket emp. in villa, 7s. 6d.
1411. in Finchale Priory Charters, etc. (Surtees), p. clviii. iiij vaccæ j stot ij quioks, ij stirketts.
1485. Inv., in Ripon Chapter Acts (Surtees), 372. x stirkettes.