What subjects did Helmuth von Moltke write about before becoming chief of the General Staff?

Before becoming chief of the General Staff, Helmuth von Moltke engaged in diverse literary and professional writing projects to supplement his income and record his experiences. His writings covered the following subjects:

• Fiction: He published a novel titled Die beiden Freunde (1827).1
• History and Politics: He wrote an historical sketch concerning the internal conditions and social state of Poland (1832) and began a translation of Edward Gibbon’s Decline and Fall of the Roman Empire.1
• Military and Travel: He authored accounts of his time in Turkey (1841) and a study of the 1828–1829 Russo-Turkish campaign (1845). Later, he published letters from his travels in Russia (1877).1
• Technical and Topographical: He wrote an essay on the considerations for selecting railway routes (1843) and produced a topographical map of Rome and its vicinity (1852).1
• Travelogues: He recorded his observations of Rome and Spain, which were later collected in his Wanderbuch (1879).1