Leoni's manuscript of "Li cinque ordini dell'Architettura civile nelle Misre di Palladio con altri Studi..." was written in Dusseldorf in 1708, and illustrated with Leoni's own drawings. This treatise was never published.
Fonds contains an inventory of joint property between the late Jean Orillat, a French Canadian merchant, and his wife, Thérèse-Amable Viger. Inventory signed by notary Mesière. ("Inventaire des biens de la communauté d’entre feu Mr Jean Orillat à dame Thérèse Viger son épouse, 19 juin. 1779.)
Collection consists of papers of a British naval officer, who sailed on the Bounty. Includes notes and observations on voyages in the South Atlantic and East Indies including directions for navigating the Straits of Banquey and other oriental passages (1801), notes on the Cape of Good Hope (1796) and St. Helena (1805). Also, "Nautical Remarks and Memoranda of Occurences on Board H.M.S. Polyphemus, Donegal and Nereus between 22 Oct. 1806 and 19 Nov. 1810". With a note on reason and a chart of the Road of Basque. Items marked "Morgan" on paper watermarked 1797 and 1805.