...
The preference is a source with the most complete presentation of the numbering (any sequence of sequence of numerals, letters, and/or dates) provided it appears prominently or is stated formally. “Most complete” does not necessarily mean that the components of the numbering are spelled out, only that they are present. (CCM:8.3.1b) Completeness is desirable because it simplifies the (588) Description based on note.
Piecing together different sources:
The numeric designation may be pieced together from various sources when it is clear that the publisher intended both parts to constitute the numeric designation. When this is not clear, do not piece together the numeric designation from more than one source. (CCM:8.3.1d)
Volume 1" appears on the cover and "issue 1" appears on the editorial page. Is "issue 1" another way of saying "volume 1" or is it a part of the volume (i.e., vol. 1, issue 1)? If a later issue is also in hand showing volume 1, issue 2, then the publisher's intent is clear and both may be transcribed as the numeric designation. (ex. CCM:8.3.1d)
Numbering from another source not prominent or a statement that is not formal:
...
588 0# $a FY90; title from title page.
588 1# $a FY90
Piecing together different sources:
The numeric designation may be pieced together from various sources when it is clear that the publisher intended both parts to constitute the numeric designation. When this is not clear, do not piece together the numeric designation from more than one source. (CCM:8.3.1d)
Volume 1" appears on the cover and "issue 1" appears on the editorial page. Is "issue 1" another way of saying "volume 1" or is it a part of the volume (i.e., vol. 1, issue 1)? If a later issue is also in hand showing volume 1, issue 2, then the publisher's intent is clear and both may be transcribed as the numeric designation. (ex. CCM:8.3.1d)