Optionally, when cataloging an individual issue of a serial, provide a linking entry between the record for the individual issue and the record for the serial as a whole by means of a host item entry (773):

773  0_  $a Silence, Timothy. $t Foundling hospital for wit. $g No. 3

773  0_  $a Post boy (London, England). $g No. 2436

LC Rare Book Team Guidelines:  Cataloger's judgement.

See also:

Appendix H:  Individual and Special Issues of Serials