VOL. X. * Ideen ueber die Politik, den Verkehr und den Handel des vornehmsten Staaten der alten Welt. (Researches into the Politics, Intercourse, and Trade of the Principal States of Antiquity,—Asiatic Nations). 1. General Introduction; 2. Persians.
VOL. XI. * Ideen, etc. (Asiatic Nations). 1. Phœnicians; 2. Babylonians; 3. Scythians.
VOL. XII. * Ideen, etc. (Asiatic Nations). Indians.
VOL. XIII. * Ideen, etc. (African Nations). 1. Carthaginians; 2. Ethiopians.
VOL. XIV. * Ideen, etc. (African Nations). Egyptians.
VOL. XV. * Ideen, etc. (European Nations). Greeks.
Those with a * prefixed are translated into English, and are either now published or will very shortly be so.