1852 E. Cooper 9 The small inclinations of the orbits of periodic comets.
1925 2 Oct. p. x/2 Brooks's comet [is] one of the seven periodic comets expected to visit the region of the earth this summer.
1992 S. P. Maran 505/2 The Comet Rendezvous and Asteroid Flyby (CRAF) spacecraft is to accompany the periodic comet Kopff over much of its orbit.