| Collection | # of documents | # of images/pages |
| British House of Commons Parliamentary Papers (ProQuest) | 118,526 | 6,448,739 |
| Early Canada Online (Canadiana.org) | 83,016 | 3,938,758 |
| Kew Gardens Directors’ Correspondence | 24,765 | not applicable |
| Confidential Prints Collection: Africa, Latin America, Middle East, and North America (Adam Matthew Online) | 1,315 | 140,010 |
| Subpart of the Foreign and Commonwealth Office Collection (JSTOR) | 1,000 | 41,611 |
| Selected books related to commodity trading in the 19th century (Various sources, mostly found via Internet Archive) | 306 | |
| Asia and the West: Diplomacy and Cultural Exchange (Gale)* | 30,266 | About 900,000 |
* Note: This last collection was prepared for text mining but was not included in the final round of processing and is therefore not included in the Trading Consequences database.