Subsidium peregrinantibus, or, An assistance to a traveller : in his convers with 1. Hollanders, 2. Germans, 3. Venetians, 4. Italians, 5. Spaniards, 6. French : directing him after the latest mode, to the greatest honour, pleasure, security, and advantage in his travells : written to a princely traveller for a vade mecum /