Charlotte Sutherland's catalogue gives some indication of the rate of growth of the collection, particularly over the 21 months between the catalogue's completion and the collection's arrival in the Bodleian.[1] These can be tabulated as follows:
| 1820 | April 1837 | April 1838 | September 1838 | March 1839 | |
|---|---|---|---|---|---|
| Prints | 17,254 | 17,561 | 17,750 | ||
| Distinct plates | 13,926 | 14,069 | 14,136 | ||
| Proofs | 2,520 | 2,618 | 2,659 | ||
| Drawings | 1,428 | 1,459 | 1,460 | ||
| Letterpress | 60 | 64 | 64 | ||
| Total | 10,160 | 18,742 | 19,084 | 19,274 | 19,223 |
In addition, Mrs Sutherland provided a more detailed breakdown of the development of some of the more significant subjects between 1837 and 1838. These included:[2]
| Subject | 1837 | May 1838 | September 1838 | |||
|---|---|---|---|---|---|---|
| individual prints | plates represented | individual prints | plates represented | individual prints | plates represented | |
| Charles I | 699 | 558 | 743 | 573 | 759 | 581 |
| Charles II | 508 | 400 | 552 | 428 | 557 | 432 |
| Cromwell | 339 | 250 | 373 | 253 | 379 | 255 |
| William III | 416 | 356 | 431 | 363 | 436 | 367 |
| London | 262 | 242 | 309 | 248 | 311 | 249 |