Serious Considerations on the Several High Duties Which the Nation in General (As Well as It's Trade in Particular) Labours Under

[With a Proposal for Preventing the Running of Goods, Discharging the Trader From Any Search, and Raising All the Publick Supplies by One Single Tax.]

(3d Ed.)

Travels in the Interior of South Africa

[Comprising Fifteen Years' Hunting and Trading : With Journeys Across the Continent From Natal to Walvisch Bay, and Visits to Lake Ngami and the Victoria Falls]