| Library | Aris Format | Aris Age | COUNT |
| Winthrop | Audio | Adult | 2154 |
| Winthrop | Audio | Childrens | 92 |
| Winthrop | Books | Adult | 67412 |
| Winthrop | Books | Childrens | 25157 |
| Winthrop | Books | Young Adult | 1476 |
| Winthrop | Downloadable audio | Adult | 1543 |
| Winthrop | Downloadable audio | Childrens | 331 |
| Winthrop | E-books | Adult | 3407 |
| Winthrop | E-books | Childrens | 647 |
| Winthrop | Materials in electronic format | Adult | 13 |
| Winthrop | Materials in electronic format | Childrens | 26 |
| Winthrop | Materials in microforms | Adult | 9 |
| Winthrop | Miscellaneous | Adult | 116 |
| Winthrop | Miscellaneous | Young Adult | 1 |
| Winthrop | Print Serials | Adult | 1505 |
| Winthrop | Print Serials | Childrens | 46 |
| Winthrop | Video | Adult | 2951 |
| Winthrop | Video | Childrens | 352 |
| Winthrop | Video | Young Adult | 1 |
| Total | 107239 |