| PERIODICAL TITLE | CODES | DATES |
| YAHOO | NDH | CURRENT 2 YEARS |
| YAHOO | SHG | 2000- |
| YAHOO INTERNET LIFE | BHH | 2000:09- |
| YALE REVIEW | NCH | 1963-1990 |
| YALE REVIEW | NIH | 1977:FA-1990:SU |
| YANKEE | MOJ | CURRENT 5 YEARS |
| YANKEE | SGH | 1998- |
| YANKEE | SOM | CURRENT 5 YEARS |
| YM | ACM | CURRENT YEAR |
| YM | ACT | CURRENT YEAR |
| YM | BEH | 1999:10- |
| YM | BKH | 2002:02- |
| YM | CBH | 1993:10-SCATTERED |
| YM | CHH | CURRENT 3 YEARS |
| YM | MOJ | CURRENT YEAR |
| YM | NIH | 1997:04- |
| YM | SGH | 2002:11- |
| YM | SHG | 2000-SCATTERED |
| YM | SHH | 1996-2002 |
| YM | SHK | 1999- |
| YM | SOH | CURRENT YEAR |
| YM | SOM | CURRENT YEAR |
| YOU | NDH | 1995:01-2000:02 |
| YOUNG AUTHOR'S MAGAZINE | NCH | 1984:03-1996:10 |
| YOUNG CHILDREN | GUE | CURRENT 5 YEARS |
| YOUNG CHILDREN | GUE | CURRENT 5 YEARS |
| YOUNG CHILDREN | GUP | 1994:11- |
| YOUNG CHILDREN | GUW | CURRENT YEAR |
| YOUNG CHILDREN | SHO | 1999:09- |
| YOUNG RIDER | BEH | CURRENT YEAR |
| YOUNG RIDER | BEL | CURRENT YEAR |
| YOUNG RIDER | BHP | CURRENT YEAR |
| YOUNG RIDER | MOP | CURRENT YEAR |
| YOUNG RIDER | SHC | CURRENT YEAR |
| YOUR BIG BACKYARD | ACA | CURRENT YEAR CANNOT COPY |
| YOUR BIG BACKYARD | ACG | CURRENT YEAR CANNOT COPY |
| YOUR BIG BACKYARD | ACO | CURRENT YEAR CANNOT COPY |
| YOUR BIG BACKYARD | ACT | CURRENT YEAR CANNOT COPY |
| YOUR BIG BACKYARD | AGH | 2002- |
| YOUR BIG BACKYARD | BKB | CURRENT ISSUE |
| YOUR BIG BACKYARD | BKW | CURRENT YEAR |
| YOUR BIG BACKYARD | CAN | CURRENT YEAR CANNOT COPY |
| YOUR BIG BACKYARD | DSH | CURRENT 5 YEARS |
| YOUR BIG BACKYARD | GUE | 1996-1999 |
| YOUR BIG BACKYARD | GUW | CURRENT YEAR |
| YOUR BIG BACKYARD | MOB | CURRENT YEAR |
| YOUR BIG BACKYARD | NIC | CURRENT YEAR |
| YOUR BIG BACKYARD | NIG | CURRENT YEAR |
| YOUR BIG BACKYARD | NIL | CURRENT YEAR |
| YOUR BIG BACKYARD | NIR | 1989:01- |
| YOUR BIG BACKYARD | SGL | CURRENT 3 YEARS |
| YOUR BIG BACKYARD | SGS | CURRENT YEAR |
| YOUR BIG BACKYARD | SGW | 1999:01- |
| YOUR BIG BACKYARD | SHC | CURRENT 2 YEARS |
| YOUR BIG BACKYARD | SHO | 2000:01- |
| YOUR BIG BACKYARD | SHP | CURRENT YEAR |
| YOUR BIG BACKYARD | SNA | CURRENT YEAR CANNOT COPY |
| YOUR BIG BACKYARD | SNC | CURRENT YEAR CANNOT COPY |
| YOUR BIG BACKYARD | SNE | CURRENT YEAR |
| YOUR BIG BACKYARD | SNL | CURRENT YEAR CANNOT COPY |
| YOUR BIG BACKYARD | SNW | 1994- |
| YOUR BIG BACKYARD | SNY | CURRENT YEAR CANNOT COPY |
| YOUR BIG BACKYARD | SOF | CURRENT 2 YEARS |
| YOUR BIG BACKYARD | SOS | 1993:03- |
| YOUR BIG BACKYARD | SOV | CURRENT YEAR |
| YOUR BIG BACKYARD | SSH | CURRENT YEAR |
| YOUTH RUNNER | SCH | 2001:09- |
| YOUTH UPDATE | BMH | 1995- |
| YSB | SOH | CURRENT YEAR |