Several publishers (e.g., Haworth Press, Pergamon Press) publish separate hardcover or softcover editions of selected issues of their periodicals.

LC/PCC practice:  Do not consider such a separately published issue to constitute an integral part of the periodical, i.e., do not consider it an analyzable issue of the periodical.  In the bibliographic record for the separately published issue, give the pertinent information as a note, not as a series statement.  (Cf. LCRI 21.30G for the related work added entry.)

500 ## $a Published also as v. 17, no. 1/2, 1993 of the Cataloging and classification quarterly.

See also:

1.6.  Series Area:  Table of Contents