They now attempted to interest other potentates in it.

For this purpose they bound up in an elegant manner two sets of the Essays on the Slavery and Commerce of the Human Species and on the Impolicy of the Slave-trade, and sent them to the Chevalier de Pinto, in Portugal.

They bound up in a similar manner three sets of the same, and sent them to Mr.Eden (now Lord Auckland), at Madrid, to be given to the King of Spain, the Count d'Aranda, and the Marquis del Campomanes.
They kept up their correspondence with the committee at Paris, which had greatly advanced itself in the eyes of the French nation; so that, when the different bailliages sent deputies to the States General, they instructed them to take the Slave-trade into their consideration as a national object, and with a view to its abolition.
They kept up their correspondence with Dr.Frossard of Lyons.

He had already published in France on the subject of the Slave-trade; and now he offered the committee to undertake the task, so long projected by them, of collecting such arguments and facts concerning it, and translating them into different languages, as might be useful in forwarding their views in foreign parts.
They addressed letters also to various individuals, to Monsieur Snetlage, doctor of laws at Halle in Saxony; to Monsieur Ladebat, of Bourdeaux; to the Marquis de Feuillade d'Aubusson, at Paris; and to Monsieur Necker.
The latter in his answer replied in part as follows: "As this great question," says he, "is not in my department, but in that of the minister for the Colonies, I cannot interfere in it directly, but I will give indirectly all the assistance in my power.

I have for a long time taken an interest in the general alarm on this occasion, and in the noble alliance of the friends of humanity in favour of the injured Africans.
Such an attempt throws a new lustre over your nation.