When a serial is marked by chronology that includes months and/or seasons:
|Month||Holdings Record (863)||Item Records|
|Season||Holdings Record (863)||Item Records|
The following MFHD is an example of a periodical marked by year and month. The codes for the corresponding months are in field 863 ‡b.
The item records that correspond to the three 863 lines above look like this (no spaces!):
Note: in this example the year and month appear in the enumeration field because there is no separate enumeration. If there were also enumeration, e.g., volume numbers, the year:month information would be in the "Chron" line of the item record.
The public catalogs pull information from the MFHD and translate the codes in field 863 to text: