Later life thumb|Honorary grave of Heinrich Barth in Berlin Barth returned from Great Britain to Germany, where he prepared a collection of Central African vocabularies (Gotha, 1862–1866). In 1858 he undertook another journey in Asia Minor, and in 1862 visited the Turkish provinces in Europe. He wrote an account of these travels that was published in Berlin in 1864.
Later life thumb|Honorary grave of Heinrich Barth in Berlin Barth returned from Great Britain to Germany, where he prepared a collection of Central African vocabularies (Gotha, 1862–1866). In 1858 he undertook another journey in Asia Minor, and in 1862 visited the Turkish provinces in Europe He wrote an account of these travels that was published in Berlin in 1864.